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Integral Calculus

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.
a)
b)
c)
d)
2.
a)
b)
c)
d)
3.
a)
b)
c)
d)
4.
a)
b)
c)
d)
5.

Which of the following is TRUE ?

a)

∫sin⁡ x dx = cos⁡ x +c\int_{ }^{ }\sin\ x\ \ dx\ =\ \cos\ x\ +c

b)

∫ex dx = ex+1x+1 + c\int_{ }^{ }e^x\ \ dx\ =\ \frac{e^{x+1}}{x+1}\ +\ c

c)

∫ 1x dx = ln⁡ ∣x ∣ +c\int_{ }^{ }\ \frac{1}{x}\ \ dx\ =\ \ln\ \left|x\ \right|\ +c

d)

∫ x dx = 1 + c\int_{ }^{ }\ x\ \ dx\ =\ 1\ +\ c

6.

 ∫x3 −π dx  =\int_{ }^{ }x^3\ -\pi\ dx\ \ =  

a)

 3x2 + c3x^2\ +\ c  

b)

 x44 + c\frac{x^4}{4}\ +\ c  

c)

 x44 − πx\frac{x^4}{4}\ -\ \pi x  

d)

 x44 − πx + c\frac{x^4}{4}\ -\ \pi x\ +\ c  

7.

What is  ∫ 5x6 dx\int_{ }^{ }\ \frac{5}{x^6}\ dx  ?

a)

 5x−6 + c5x^{-6}\ +\ c  

b)

 5x−5 + c5x^{-5}\ +\ c  

c)

 −54x4 + c-\frac{5}{4x^4}\ +\ c  

d)

 −1x5 + c-\frac{1}{x^5}\ +\ c  

8.

Integrate  ∫cos⁡ (5x) dx\int_{ }^{ }\cos\ \left(5x\right)\ dx  with respect to x.

a)

 sin⁡ (5x) + c\sin\ \left(5x\right)\ +\ c  

b)

 −15sin⁡ (5x) + c-\frac{1}{5}\sin\ \left(5x\right)\ +\ c  

c)

 15 sin⁡ (5x) + c\frac{1}{5}\ \sin\ \left(5x\right)\ +\ c  

d)

 cos⁡ (5x)5 + c\frac{\cos\ \left(5x\right)}{5}\ +\ c  

9.

Which is the integral of  ∫ (5−3x)3 dx\int_{ }^{ }\ \left(5-3x\right)^3\ dx  ?

a)

 3(5−3x)2 +c3\left(5-3x\right)^2\ +c  

b)

 (5−3x)44+ c\frac{\left(5-3x\right)^4}{4}+\ c  

c)

 (5−3x)412+ c\frac{\left(5-3x\right)^4}{12}+\ c  

d)

 −(5−3x)412+ c-\frac{\left(5-3x\right)^4}{12}+\ c  

10.

Which of the following is NOT one of techniques of Integration?

a)

Substitution

b)

By Part

c)

Quotient Rule

d)

Partial Fraction

11.

Using integration by part, if given that u = (x + 1) then find v for ∫(x +1) e2x dx\int\left(x\ +1\right)\ e^{2x}\ dx  

a)

 x22+x\frac{x^2}{2}+x  

b)

 e2xe^{2x}  

c)

 2e2x2e^{2x}  

d)

 e2x2\frac{e^{2x}}{2}  

12.

Integrate the partial fraction with respect to x
 ∫ 1(x) + 4(2x −1 ) dx\int_{ }^{ }\ \frac{1}{\left(x\right)}\ +\ \frac{4}{\left(2x\ -1\ \right)}\ dx  

a)

 ln⁡ ∣x∣ + 8 ln⁡∣2x−1∣+c\ln\ \left|x\right|\ +\ 8\ \ln\left|2x-1\right|+c  

b)

 ln⁡ ∣x∣ + 4 ln⁡ ∣x−1∣+c\ln\ \left|x\right|\ +\ 4\ \ln\ \left|x-1\right|+c  

c)

 ln⁡ ∣x∣ + 4 ln⁡∣2x−1∣+c\ln\ \left|x\right|\ +\ 4\ \ln\left|2x-1\right|+c  

d)

 ln⁡ ∣x∣ + 2 ln⁡∣2x−1∣+c\ln\ \left|x\right|\ +\ 2\ \ln\left|2x-1\right|+c  

13.

Evaluate  ∫12  3x2  dx\int_1^2\ \ 3x^2\ \ dx  

a)

 77  

b)

 88  

c)

 1212  

d)

 x3x^3  

14.

Evaluate the integral  ∫02 x3 + x2x2 dx\int_0^2\ \frac{x^3\ +\ x^2}{x^2}\ dx  

a)

 22  

b)

 44  

c)

 66  

d)

 88