Integrals Class 12 Mcq Test (120701)

The definite integral of \(e^x \) from 0 to 1 is equal to:

a) \(e^{-1}\)

b) \(e + 1\)

c) \(e^2 – 1\)

d) \( e^2 + 1\)

Which of the following is true regarding definite integrals?

a) They can be negative.

b) They always evaluate to zero.

c) They represent the area under the curve.

d) They only apply to continuous functions.

If f(x) is an odd function, then the integral \(\int_{-a}^{a} f(x) dx\) is equal to:

a) 0

b) \( 2\int_{0}^{a} f(x) dx\)

c) \( \int_{-a}^{0} f(x) dx\)

d) \( \int_{0}^{a} f(x) dx\)

Which technique is most appropriate for evaluating integrals involving rational functions?

a) Substitution

b) Partial fractions

c) Integration by parts

d) Trigonometric substitution

The integral of \(\frac{1}{x^2}\) with respect to x is:

a) \(\ln|x| + C\)

b) \(-\frac{1}{x} + C\)

c) \(\frac{1}{x} + C\)

d) \(-\ln|x| + C\)

If \(F(x) = \int_{0}^{x} f(t) dt\), then according to the Fundamental Theorem of Calculus,  F'(x)  is equal to:

a) f(x)

b) F(x)

c) \(\int_{0}^{x} f'(t) dt\)

d) \(\frac{d}{dx} \int_{0}^{x} f(t) dt\)

 Integration by parts is most useful when dealing with:

a) Exponential functions

b) Trigonometric functions

c) Polynomial functions

d) Rational functions

The integral \( \int \frac{1}{1+x^2} dx\) can be evaluated using:

a) Trigonometric substitution

b) Partial fractions

c) Integration by parts

d) Substitution

The integral \(\int \frac{x^2 + 1}{x} dx\) can be evaluated using:

a) Trigonometric substitution

b) Partial fractions

c) Integration by parts

d) Substitution

Which property of definite integrals allows us to split the integral of a sum into the sum of integrals?

a) Linearity

b) Associativity

c) Commutativity

d) Distributivity