ln et exp

ln et exp

12th Grade

10 Qs

quiz-placeholder

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ln et exp

ln et exp

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Medium

Created by

Dominique Caurant

Used 25+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soient  x,y>0x,y>0 . A quelle quantité  ln(xy)\ln\left(\frac{x}{y}\right)  est-elle égale ?

 ln(x)ln(y)\frac{\ln\left(x\right)}{\ln\left(y\right)}  

 ln(x)+ln(y)\ln\left(x\right)+\ln\left(y\right)  

 ln(x)ln(y)\ln\left(x\right)-\ln\left(y\right)  

 ln(y)ln(x)\ln\left(y\right)-\ln\left(x\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Que vaut  ln(e2)\ln\left(e^2\right)  ?

 22  

 11  

 00  

 12\frac{1}{2}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est l'expression de la dérivée de  ln(x)\ln\left(\sqrt{x}\right)   ?

 1x\frac{1}{x}  

 12x\frac{1}{2x}  

 2x\frac{2}{x}  

 1x-\frac{1}{x}  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Parmi les affirmations suivantes, sélectionner celles qui sont correctes.

ln(0)=1\ln\left(0\right)=1

ln(1)=0\ln\left(1\right)=0

ln(1)=e\ln\left(1\right)=e

ln(e)=1\ln\left(e\right)=1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Que vaut  limx+ xln(x)\lim_{x\rightarrow+\infty}\ \frac{x}{\ln\left(x\right)}  ?

 ++\infty  

 -\infty  

 00  

 11  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quel est l'ensemble des solutions de l'inéquation  ln(x)1\ln\left(x\right)\le1 ?

] ;e-\infty;e ]

] 0;e0;e ]

[ e;+e;+\infty [

] 0;10;1 ]

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soient  x,yRx,y\in\mathbb{R} . A quelle quantité  exeye^xe^y  est-elle égale ?

 exye^{xy}  

 ex+ye^{x+y}  

 exye^{x-y}  

 (ex)y\left(e^x\right)^y  

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