- Soit
la fonction définie sur
par :
et
sa courbe représentative dans un repère orthonormé d’unité
cm.
Calculer l’aire sous la courbesur l’intervalle
.
La fonction est
est continue sur
en tant que somme de fonctions continues sur cet intervalle.
Ainsi l’aire sous la courbe
sur l’intervalle
est :
Or
cm![Rendered by QuickLaTeX.com ^2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-f06fe3efb88bd8b92fa929d70fa9dd20_l3.png)
Donc :
![Rendered by QuickLaTeX.com \mathscr{A}=9+2\ln(4)\text{ cm}^2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-cc9d248f8b92ae01ff806954069e89e8_l3.png)
Exercice 2
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com ]0;+\infty[](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-80243cc86f99e2d74411fff3ccaa6a1e_l3.png)
Ainsi l’aire sous la courbe
![Rendered by QuickLaTeX.com C_f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-21a5e0e32ae5fbe58cc13c52f1b64101_l3.png)
![Rendered by QuickLaTeX.com [1;4]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-7d47d6bab2b045a261fb0309c3d5a687_l3.png)
Or
![Rendered by QuickLaTeX.com 1\text{ u.a}=1\times 1](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-ebe0a72572e54dcafe13511152b72eb8_l3.png)
![Rendered by QuickLaTeX.com ^2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-f06fe3efb88bd8b92fa929d70fa9dd20_l3.png)
Donc :
![Rendered by QuickLaTeX.com \mathscr{A}=9+2\ln(4)\text{ cm}^2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-cc9d248f8b92ae01ff806954069e89e8_l3.png)
Soit
la fonction définie sur
par
.
Calculer
:
Correction
![Rendered by QuickLaTeX.com F](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-64f8acb823cb1a6927cbfe5c70f2b502_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com F(x)=xe^{x^2}+5](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-845a7b18de3408c7c9944667fd4c77e4_l3.png)
Calculer
![Rendered by QuickLaTeX.com \displaystyle \int_{-3}^3 F'(x)dx=](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-ee9f3cf0a8b6d5eab04ceaa33f3462bb_l3.png)
On a :
Exercice 3
Calculer La valeur moyenne sur
de la fonction
définie par
.
Correction
![Rendered by QuickLaTeX.com [-2;1]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-d52ba7540794bbf65e3a50e1f91136d3_l3.png)
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com f(x)=3x^2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-16314e53573768ed0eaa238ebd4fdb9f_l3.png)
La valeur moyenne d’une fonction
sur
est donnée par la formule
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com [-2;1]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-d52ba7540794bbf65e3a50e1f91136d3_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com g](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-3e0ec529db30f594d1f7b7b394615354_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com f(x)=x^2+8x-7](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-935abdefa3053d451e4ccf172193324a_l3.png)
![Rendered by QuickLaTeX.com g(x)=-x^2+2x+13](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-52730a92c9216cfe6ed6b8d05c259064_l3.png)
L’aire du domaine situé entre
![Rendered by QuickLaTeX.com C_f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-21a5e0e32ae5fbe58cc13c52f1b64101_l3.png)
![Rendered by QuickLaTeX.com C_g](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-a497aee357f8d4b9a943df20f7e44542_l3.png)
![Rendered by QuickLaTeX.com [-5;2]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-bc59535890fb6845d12a2215cf1c4b6e_l3.png)
a.
![Rendered by QuickLaTeX.com \displaystyle \int_{-5}^2\left(f(x)-g(x)\right)dx](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-34334163d8e7d7d0f109cdacfb856a63_l3.png)
b.
![Rendered by QuickLaTeX.com \displaystyle \int_{-5}^2\left(g(x)-f(x)\right)dx](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-cbc667e780b1b8d9630824771e46b08e_l3.png)
c.
![Rendered by QuickLaTeX.com \dfrac{77}{3}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-a3077fafad320398bf98b3ffc3ac816c_l3.png)
d.
![Rendered by QuickLaTeX.com \dfrac{343}{7}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-30144f8be90574dc85ffddea7db4a014_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
Correction Question 6
et
sont deux fonctions continues sur
donc
et
le sont aussi.
Il faut déterminer le signe de sur
.
Pour tout réel on a :
![Rendered by QuickLaTeX.com f(x)-g(x)](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-7610d4339acead3700d4c8b72c943f28_l3.png)
![Rendered by QuickLaTeX.com a=2>0](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-8b2f7ead9d6e7afa3fdaf90d20ccf706_l3.png)
![Rendered by QuickLaTeX.com 2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-370fb95b5f88f37c15d89f5a3638435e_l3.png)
![Rendered by QuickLaTeX.com -5](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-ab734ebcb106f98e95b74dcedf674ae2_l3.png)
Par conséquent
![Rendered by QuickLaTeX.com f(x)-g(x)\pp 0](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-7b1aef8471c134dffc634db0eb67de61_l3.png)
![Rendered by QuickLaTeX.com [-5;2]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-bc59535890fb6845d12a2215cf1c4b6e_l3.png)
Ainsi l’aire du domaine situé entre
![Rendered by QuickLaTeX.com C_f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-21a5e0e32ae5fbe58cc13c52f1b64101_l3.png)
![Rendered by QuickLaTeX.com C_g](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-a497aee357f8d4b9a943df20f7e44542_l3.png)
![Rendered by QuickLaTeX.com [-5;2]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-bc59535890fb6845d12a2215cf1c4b6e_l3.png)
Réponse b. et c.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com x\mapsto e^{-0,2x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-0bd6830047d717a8e11d41a33f51b867_l3.png)
a.
![Rendered by QuickLaTeX.com x\mapsto \dfrac{1}{-0,2}e^{-0,2x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-d48ad7d8c5f5dd581798c56199bde064_l3.png)
b.
![Rendered by QuickLaTeX.com x\mapsto -5e^{-0,2x}+k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-c6a8bf8312e5ec291136d21aa98bc653_l3.png)
![Rendered by QuickLaTeX.com k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00c2a66515f63bfd1a20ae2eb10a2d0b_l3.png)
c.
![Rendered by QuickLaTeX.com x\mapsto -0,2e^{-0,2x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-69c4ee1dd1eb957b193a2bf1aea866e6_l3.png)
d.
![Rendered by QuickLaTeX.com x\mapsto -0,2e^{-0,2x}+k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-a53f8c2497f6b40bd610896d2fbbe90b_l3.png)
![Rendered by QuickLaTeX.com k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00c2a66515f63bfd1a20ae2eb10a2d0b_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
Les primitives sur
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com x\mapsto e^{-0,2x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-0bd6830047d717a8e11d41a33f51b867_l3.png)
![Rendered by QuickLaTeX.com x\mapsto \dfrac{1}{-0,2}e^{-0,2x}+k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2104f41892912057aeff2fa0231f3470_l3.png)
![Rendered by QuickLaTeX.com k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00c2a66515f63bfd1a20ae2eb10a2d0b_l3.png)
Si
![Rendered by QuickLaTeX.com k=0](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-44aa2a8afad3f9e7d82ef728206aab8b_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com x\mapsto \dfrac{1}{-0,2}e^{-0,2x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-d48ad7d8c5f5dd581798c56199bde064_l3.png)
De plus on a
![Rendered by QuickLaTeX.com \dfrac{1}{-0,2}=-5](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-7c6ba4695fffc7042ac4172b6ae43721_l3.png)
Ainsi les primitives sur
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com x\mapsto e^{-0,2x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-0bd6830047d717a8e11d41a33f51b867_l3.png)
![Rendered by QuickLaTeX.com x\mapsto -5e^{-0,2x}+k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-c6a8bf8312e5ec291136d21aa98bc653_l3.png)
![Rendered by QuickLaTeX.com k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00c2a66515f63bfd1a20ae2eb10a2d0b_l3.png)
Réponse a. et b.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com x\mapsto 3(x-2)(x+5)](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-fc3f7166677f40ef452d42763f8eb59f_l3.png)
a.
![Rendered by QuickLaTeX.com x\mapsto 6x\left(\dfrac{x^2}{2}-2x\right)\left(\dfrac{x^2}{2}+5x\right)](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2d014643ddd224e7bf0910693c3a6281_l3.png)
b.
![Rendered by QuickLaTeX.com x\mapsto 6x+9](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-1712342691a6009605e63c61c32cb74b_l3.png)
c.
![Rendered by QuickLaTeX.com x\mapsto x^3+\dfrac{9}{2}x^2-30x+7](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-9da3f75daab6174d344715f9ed7c117c_l3.png)
d.
![Rendered by QuickLaTeX.com x\mapsto x\left(x^2+\dfrac{9}{2}x-30\right)](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-7ac875c490866fb5cf1c48d96577b6c2_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
Correction Question 8
On note
la fonction définie sur
par
.
Ainsi
La fonction
est continue sur
en tant que polynôme.
Les primitives de la fonction
sont donc les fonctions
définies par
où
est un réel.
Si on développe l’expression a. on obtient un polynôme de degré
. Cette réponse ne convient donc pas.
Si on développe l’expression d. on obtient
.
Réponse c. et d.
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com f(x)=3(x-2)(x+5)](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-aa002ecd9e360e0df8f0b9a56780c9dc_l3.png)
Ainsi
La fonction
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
Les primitives de la fonction
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com F](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-64f8acb823cb1a6927cbfe5c70f2b502_l3.png)
![Rendered by QuickLaTeX.com F(x)=x^3+\dfrac{9}{2}x^2-30x+k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-9a5052f3e6c151cb07bbc1fd4e566474_l3.png)
![Rendered by QuickLaTeX.com k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00c2a66515f63bfd1a20ae2eb10a2d0b_l3.png)
Si on développe l’expression a. on obtient un polynôme de degré
![Rendered by QuickLaTeX.com 5](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-8aab51d770aeb85e15032d75df463f1f_l3.png)
Si on développe l’expression d. on obtient
![Rendered by QuickLaTeX.com x^2+\dfrac{9}{2}x^2-30x](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-0fb2c94da002595ad3eb87dbba56f564_l3.png)
Réponse c. et d.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
[collapse]
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com \mathbb R](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2cd150238bd9538d89915ce527e5f383_l3.png)
![Rendered by QuickLaTeX.com f(x)=1-xe^{-x^2/2}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-b5c47630acab7a8c764bc312623f9988_l3.png)
La valeur moyenne de
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com [-2;0]](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-21be214f0c14c68e3dc7eff374f79591_l3.png)
a.
![Rendered by QuickLaTeX.com \dfrac{3-e^{-2}}{2}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-24b8c167c6b757eb05fe0aa54a4a41e1_l3.png)
b.
![Rendered by QuickLaTeX.com \dfrac{-3+e^{-2}}{2}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-e77de0897a1adc10c6cd33de78816c8e_l3.png)
c.
![Rendered by QuickLaTeX.com 3+e^{-2}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-b20ea79a6db86393a00dda431cb09387_l3.png)
d.
![Rendered by QuickLaTeX.com 1,43](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-d6496f2ddc0b53b7d390d789c98778fa_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
La valeur moyenne de sur
est :
Réponse a.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com ]0;+\infty[](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-80243cc86f99e2d74411fff3ccaa6a1e_l3.png)
![Rendered by QuickLaTeX.com f(x)=\dfrac{2x^2-x+3}{x}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-4634a0d8909c22535db05a9d53e9a05a_l3.png)
a.
![Rendered by QuickLaTeX.com F(x)=\dfrac{\dfrac{2}{3}x^3-\dfrac{1}{2}x^2+3x}{\dfrac{1}{2}x^2+\dfrac{8}{3}}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-a9c1f3ffadb60892eb11f730c66dea8e_l3.png)
b.
![Rendered by QuickLaTeX.com F(x)=-\dfrac{3}{x^2}](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-03cca4e25f303942f2952e6f258aace2_l3.png)
c.
![Rendered by QuickLaTeX.com F(x)=2x-1](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-9cc73520672a7027afef6fccd214fc7b_l3.png)
d.
![Rendered by QuickLaTeX.com F(x)=x^2-x+3\ln(x)+1](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-3eb922abe78a438feb7bff8e75a597cb_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
Correction Question 10
Pour tout réel
appartenant à
on a :
Ainsi les primitives de la fonction
sont définies par
où
est un réel.
Réponse d.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com x](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-cd328ed59e57da91f61a0db57fb45df1_l3.png)
![Rendered by QuickLaTeX.com ]0;+\infty[](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-80243cc86f99e2d74411fff3ccaa6a1e_l3.png)
Ainsi les primitives de la fonction
![Rendered by QuickLaTeX.com f](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-023a610843d5d454e5dbd49bfc8a7d57_l3.png)
![Rendered by QuickLaTeX.com F(x)=x^2-x+3\ln(x)+k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-f9f87f9192d116141501be5ff1b57484_l3.png)
![Rendered by QuickLaTeX.com k](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00c2a66515f63bfd1a20ae2eb10a2d0b_l3.png)
Réponse d.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
![Rendered by QuickLaTeX.com \displaystyle \int_1^4\left(2x-1+\dfrac{3}{x}\right)dx](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-2adec190aca526b195402cb4c0018d8a_l3.png)
a.
![Rendered by QuickLaTeX.com 6\ln(2)+12](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-c37dd64204f83c2d5de9af70ace1efb4_l3.png)
b.
![Rendered by QuickLaTeX.com \ln(2)+2](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-3feaf12425421911eefce316e72861a9_l3.png)
c.
![Rendered by QuickLaTeX.com -6\ln(2)-12](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-0e6c386e2dd36a5fac3a10d3da8b2943_l3.png)
d.
![Rendered by QuickLaTeX.com \ln(2)-72](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-00e634962e8ea182372e1a4276a359e2_l3.png)
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
Correction Question 11 On a :
Réponse a.
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)
[collapse]
![Rendered by QuickLaTeX.com \quad](https://spe-maths.fr/wp-content/ql-cache/quicklatex.com-70757edcf86eec7e6677233bef163d01_l3.png)