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Integration by Substitution

Authored by Mark Pustejovsky

Mathematics

12th Grade

10 Questions

Used 45+ times

Integration by Substitution
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  20x44x5+3dx = \int\ \frac{20x^4}{4x^5+3}dx\ =\   

 ln4x5+3+C\ln|4x^5+3|+C  

 ln4x5+3\ln\left|4x^5+3\right|  

 4x5+3+C4x^5+3+C  

 1ln4x5+3+C\frac{1}{\ln|4x^5+3|}+C  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 36x2e4x3+3 dx= \int36x^2e^{4x^3+3\ }dx=\   

 3e4x3+3+C3e^{4x^3+3}+C  

 e4x3+3e^{4x^3+3}  

 3e4x3+33e^{4x^3+3}  

 3e4x2+33e^{4x^2+3}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 80x3 × 35x42 dx = \int80x^3\ \times\ 3^{5x^4-2}\ dx\ =\   

 (4  35x42)ln 3  + C\frac{\left(4\ \cdot\ 3^{5x^4}-2\right)}{\ln\ 3\ }\ +\ C  

 (4  35x42)ln 3  \frac{\left(4\ \cdot\ 3^{5x^4}-2\right)}{\ln\ 3\ }\   

 (35x42)ln 3  + C\frac{\left(3^{5x^4}-2\right)}{\ln\ 3\ }\ +\ C  

 (3 35x42)ln 4  + C\frac{\left(3\cdot\ 3^{5x^4}-2\right)}{\ln\ 4\ }\ +\ C  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  2x(1 + ln 4x) dx =\int\frac{\ 2}{x\left(-1\ +\ \ln\ 4x\right)}\ dx\ =  

 4 ln 2x3+4+ C4\ \ln\ \left|2x^3+4\right|+\ C  

 ln 2x3+4+ C\ln\ \left|2x^3+4\right|+\ C  

 4 ln 2x3+44\ \ln\ \left|2x^3+4\right|  

 ln 2x+4+ C\ln\ \left|2x^{ }+4\right|+\ C  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  20e5xe5x+3dx\int\ \frac{20e^{5x}}{e^{5x}+3}dx  

 4 lne5x+3+C4\ \ln\left|e^{5x}+3\right|+C  

 lne5x+3+C\ln\left|e^{5x}+3\right|+C  

 4 lne5+C4\ \ln\left|e^5\right|+C  

 4 lne5x4\ \ln\left|e^{5x}\right|  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 12x2x3+2dx =\int\frac{12x^2}{x^3+2}dx\ =  

 4 ln2x3+4 +C4\ \ln\left|2x^3+4\right|\ +C  

 4 ln6x+4 +C4\ \ln\left|6x+4\right|\ +C  

 4 ln6x +C4\ \ln\left|6x\right|\ +C  

 ln2x3 +C\ln\left|2x^3\right|\ +C  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 10sin  2x ecos(2x )dx=\int10\sin\ -\ 2x\ \cdot e^{\cos\left(-2x\ \right)}dx=  

 5ecos(2x)+C5e^{\cos\left(-2x\right)}+C  

 ecos(2x)+Ce^{\cos\left(-2x\right)}+C  

 5esin2+C5e^{-\sin-2}+C  

 5e2+C5e^{-2}+C  

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