Integrals

Integrals

Assessment

Quiz

Created by

meena negi

Mathematics

12th Grade

29 plays

Hard

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 ex (f(x)+f(x))dx  is equal to\int e^{x\ }\left(f\left(x\right)+f'\left(x\right)\right)dx\ \ is\ equal\ to  

 exf(x) +ce^xf'\left(x\right)\ +c  

 exf(x) + ce^xf\left(x\right)\ +\ c  

 f(x) +cf\left(x\right)\ +c  

 f(x) +cf'\left(x\right)\ +c  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Integral of 19x4x2 isIntegral\ of\ \frac{1}{\sqrt{9x-4x^2}}\ is  

 19sin1(9x88) +C\frac{1}{9}\sin^{-1}\left(\frac{9x-8}{8}\right)\ +C  

 12sin1(8x99) +C\frac{1}{2}\sin^{-1}\left(\frac{8x-9}{9}\right)\ +C  

 13sin1(9x88) +C\frac{1}{3}\sin^{-1}\left(\frac{9x-8}{8}\right)\ +C  

 12sin1(9x89) +C\frac{1}{2}\sin^{-1}\left(\frac{9x-8}{9}\right)\ +C  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Integral of 1x(x2+1) isIntegral\ of\ \frac{1}{x\left(x^2+1\right)}\ is  

 logx12log(x2+1) +C\log\left|x\right|-\frac{1}{2}\log\left(x^2+1\right)\ +C  

 logx+12log(x2+1) +C\log\left|x\right|+\frac{1}{2}\log\left(x^2+1\right)\ +C  

 logx+12log(x2+1) +C-\log\left|x\right|+\frac{1}{2}\log\left(x^2+1\right)\ +C  

 12logx+log(x2+1) +C\frac{1}{2}\log\left|x\right|+\log\left(x^2+1\right)\ +C  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2ex3dx =\int x^2e^{x^3}dx\ =  

 13ex3+c\frac{1}{3}e^{x^3}+c  

 13ex2+c\frac{1}{3}e^{x^2}+c  

 12ex3+c\frac{1}{2}e^{x^3}+c  

 12ex2+c\frac{1}{2}e^{x^2}+c  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Integral of

 1ex+ex\frac{1}{e^x+e^{-x}}  is equal to

 tan1(ex)+C\tan^{-1}\left(e^{-x}\right)+C  

 tan1(ex)+C\tan^{-1}\left(e^x\right)+C  

 log(exex)+C\log\left(e^x-e^{-x}\right)+C  

 log(ex+ex)+C\log\left(e^x+e^{-x}\right)+C  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Integral of

 cos 2x(sinx+cosx)2 is equal to\frac{\cos\ 2x}{\left(\sin x+\cos x\right)^2}\ is\ equal\ to  

 1sinx+cosx +c\frac{-1}{\sin x+\cos x}\ +c  

 logsinx +cosx + C\log\left|\sin x\ +\cos x\right|\ +\ C  

 logsinxcosx+C\log\left|\sin x-\cos x\right|+C  

 1(sinx+cosx)2+C\frac{1}{\left(\sin x+\cos x\right)^2}+C  

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 π2π2 sin7x dx  =\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}}\ \sin^7x\ dx\ \ =  

 π2\frac{\pi}{2}  

 π2-\frac{\pi}{2}  

 00  

 11  

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 0π2 sin xsinx+cos xdx = \int_0^{\frac{\pi}{2}}\ \frac{\sqrt{\sin\ x}}{\sqrt{\sin x}+\sqrt{\cos\ x}}dx\ =\   

 π2\frac{\pi}{2}  

0

1

 π4\frac{\pi}{4}  

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 13 dx1+x2 =\int_1^{\sqrt{3}}\ \frac{dx}{1+x^2}\ =  

 π3\frac{\pi}{3}  

 2π3\frac{2\pi}{3}  

 π6\frac{\pi}{6}  

 π12\frac{\pi}{12}  

10.

FILL IN THE BLANK QUESTION

10 sec • 1 pt

 tan x dx =\int_{ }^{ }\tan\ x\ dx\ =------  

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