MCQ Questions for Class 12 Maths with Answers<\/a> during preparation and score maximum marks in the exam. Students can download the Integrals Class 12 MCQs Questions with Answers from here and test their problem-solving skills. Clear all the fundamentals and prepare thoroughly for the exam taking help from Class 12 Maths Chapter 7 Integrals Objective Questions.<\/p>\nIntegrals Class 12 MCQs Questions with Answers<\/h2>\n
Students are advised to solve the Integrals Multiple Choice Questions of Class 12 Maths to know different concepts. Practicing the MCQ Questions on Integrals Class 12 with answers will boost your confidence thereby helping you score well in the exam.<\/p>\n
Explore numerous MCQ Questions of Integrals Class 12 with answers provided with detailed solutions by looking below.<\/p>\n
Question 1.
\nThe anti-derivative of (\u221ax + \\(\\frac { 1 }{\u221ax}\\)) equals
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) \\(\\frac { 2 }{3}\\) x\\(\\frac { 2 }{3}\\)<\/sup> + 2x\\(\\frac { 1 }{2}\\)<\/sup> + c<\/p>\n<\/details>\n
\nQuestion 2.
\nIf \\(\\frac { 1 }{dx}\\) (f(x)) = 4x\u00b3 – \\(\\frac { 3 }{x^4}\\) such that f(2) = 0 then f(x) is ……………
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) x4<\/sup> + \\(\\frac { 1 }{x^3}\\) – \\(\\frac { 129 }{8}\\)<\/p>\n<\/details>\n
\nQuestion 3.
\n\u222b\\(\\frac { 10x^9+10^x log_e 10 }{x^{10} + 10^x}\\) dx equals
\n(a) 10x<\/sup> -x10<\/sup> + c
\n(b) 10x<\/sup> + x10<\/sup> + c
\n(c) (10x<\/sup> – x10<\/sup>)-1<\/sup> + c
\n(d) log (10x<\/sup> + x10<\/sup>) + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) log (10x<\/sup> + x10<\/sup>) + c.<\/p>\n<\/details>\n
\nQuestion 4.
\n\u222b\\(\\frac { dx }{sin^2 x cos^2 x}\\) equals
\n(a) tan x + cot x + c
\n(b) tan x – cot x + c
\n(c) tan x cot x + c
\n(d) tan x – cot 2x + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) tan x – cot x + c<\/p>\n<\/details>\n
\nQuestion 5.
\n\u222b\\(\\frac { sin^2 x – cos ^2 x }{sin^2 x cos^2 x}\\) dx is equals to
\n(a) tan x + cot x + c
\n(b) tan x + cosec x + c
\n(c) -tan x + cot x + c
\n(d) tan x + sec x + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) tan x + cot x + c<\/p>\n<\/details>\n
\nQuestion 6.
\n\u222b\\(\\frac { e^x(1 + x) }{cos^2(xe^2)}\\) dx is equals to
\n(a) -cot (xex<\/sup>) + c
\n(b) tan (xex<\/sup>) + c
\n(c) tan (ex<\/sup>) + c
\n(d) cot (ex<\/sup>) + c<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) tan (xex<\/sup>) + c<\/p>\n<\/details>\n
\nQuestion 7.
\n\u222b\\(\\frac { dx }{x^2+2x+2}\\) equals
\n(a) x tan-1<\/sup> (x + 1) + c
\n(b) tan-1<\/sup> (x + 1) + c
\n(c) (x + 1) tan-1<\/sup> x + c
\n(d) tan-1<\/sup> x + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) tan-1<\/sup> (x + 1) + c<\/p>\n<\/details>\n
\nQuestion 8.
\n\u222b\\(\\frac { dx }{\\sqrt{9-25x^2}}\\) equals
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) \\(\\frac { 1 }{5}\\) sin-1<\/sup> (\\(\\frac { 5x }{3}\\)) + c<\/p>\n<\/details>\n
\nQuestion 9.
\n\u222b\\(\\frac { x dx }{(x-1)(x-2)}\\) equals
\n
\n(d) log |(x – 1) (x – 2)| + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) log |\\(\\frac { (x-2)^2 }{x-1}\\)| + c<\/p>\n<\/details>\n
\nQuestion 10.
\n\u222b\\(\\frac { dx }{x(x^2+1)}\\) equals
\n(a) log |x| – \\(\\frac { 1 }{2}\\) log (x\u00b2 + 1) + c
\n(b) \\(\\frac { 1 }{2}\\) log |x| + \\(\\frac { 1 }{2}\\) log (x\u00b2 + 1) + c
\n(c) -log |x| + \\(\\frac { 1 }{2}\\) log (x\u00b2 + 1) + c
\n(d) log |x| + log (x\u00b2 + 1) + c<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) log |x| – \\(\\frac { 1 }{2}\\) log (x\u00b2 + 1) + c<\/p>\n<\/details>\n
\nQuestion 11.
\n\u222bx\u00b2 ex\u00b3<\/sup> dx equals
\n(a) \\(\\frac { 1 }{3}\\) ex\u00b3<\/sup> + c
\n(b) \\(\\frac { 1 }{3}\\) ex\u00b2<\/sup> + c
\n(c) \\(\\frac { 1 }{2}\\) ex\u00b3<\/sup> + c
\n(d) \\(\\frac { 1 }{2}\\) ex\u00b2<\/sup> + c<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) \\(\\frac { 1 }{3}\\) ex\u00b3<\/sup> + c<\/p>\n<\/details>\n
\nQuestion 12.
\n\u222bex<\/sup> sec x (1 + tan x) dx equals
\n(a) ex<\/sup> cos x + c
\n(b) ex<\/sup> sec x + c
\n(c) ex<\/sup> sin x + c
\n(d) ex<\/sup> tan x + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) ex<\/sup> sec x + c<\/p>\n<\/details>\n
\nQuestion 13.
\n\u222b\\(\\sqrt { 1 + x^2}\\) dx is equal to
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer:
\n<\/p>\n<\/details>\n
\nQuestion 14.
\n\u222b\\(\\sqrt { x^2 – 8x + 7}\\) dx is equal to
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer:
\n<\/p>\n<\/details>\n
\nQuestion 15.
\n\\(\\int_{1}^{\\sqrt{3}}\\) \\(\\frac { dx }{1+x^2}\\) equals
\n(a) \\(\\frac { \u03c0 }{3}\\)
\n(b) \\(\\frac { 2\u03c0 }{3}\\)
\n(c) \\(\\frac { \u03c0 }{6}\\)
\n(d) \\(\\frac { \u03c0 }{112}\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) \\(\\frac { \u03c0 }{112}\\)<\/p>\n<\/details>\n
\nQuestion 16.
\n\\(\\int_{1}^{2\/3}\\) \\(\\frac { dx }{4+9x^2}\\) equals
\n(a) \\(\\frac { \u03c0 }{6}\\)
\n(b) \\(\\frac { \u03c0 }{12}\\)
\n(c) \\(\\frac { \u03c0 }{24}\\)
\n(d) \\(\\frac { \u03c0 }{4}\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) \\(\\frac { \u03c0 }{24}\\)<\/p>\n<\/details>\n
\nQuestion 17.
\nThe value of the integral \\(\\int_{1}^{2\/3}\\) \\(\\frac { (x-x^3)^{1\/3} }{x^4}\\) dx is
\n(a) 6
\n(b) 0
\n(c) 3
\n(d) 4<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) 6<\/p>\n<\/details>\n
\nQuestion 18.
\nIf f(x) = \\(\\int_{0}^{x}\\) t sin t dt, then f'(x) is
\n(a) cos x + x sin x
\n(b) x sin x
\n(c) x cos x
\n(d) sin x + x cos x.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) x sin x<\/p>\n<\/details>\n
\nQuestion 19.
\nThe value of
\n\\(\\int_{-\u03c0\/2}^{\u03c0\/2}\\) (x\u00b3 + x cos x + tan5<\/sup> x + 1) dx is
\n(a) 0
\n(b) 2
\n(c) \u03c0
\n(d) 1<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) \u03c0<\/p>\n<\/details>\n
\nQuestion 20.
\nThe value of \\(\\int_{0}^{\u03c0\/2}\\) log (\\(\\frac { 4+3 sin x }{4+3 cos x}\\)) dx is
\n(a) 2
\n(b) \\(\\frac { 3 }{4}\\)
\n(c) 0
\n(d) -2<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) 0<\/p>\n<\/details>\n
\nQuestion 21.
\n\u222b\\(\\frac { dx }{e^x+e{-x}}\\) is equal to
\n(a) tan-1<\/sup> (ex<\/sup>) + c
\n(b) tan-1<\/sup> (e-x<\/sup>) + c
\n(c) log (ex<\/sup> – e-1<\/sup>) + c
\n(d) log (ex<\/sup> + e-x<\/sup>) + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) tan-1<\/sup> (ex<\/sup>) + c<\/p>\n<\/details>\n
\nQuestion 22.
\n\u222b\\(\\frac { cos 2x }{(sin x + cos x)^2}\\) dx is equal to
\n(a) \\(\\frac { -1 }{sin x + cos x}\\) + c
\n(b) log |sin x + cos x| + c
\n(c) log |sin x – cos x| + c
\n(d) \\(\\frac { 1 }{(sin x + cos x)^2}\\) + c<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) log |sin x + cos x| + c<\/p>\n<\/details>\n
\nQuestion 23.
\nIf f (a + b – x) = f(x), then \\(\\int_{a}^{b}\\) x f(x) dx is equal to
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) \\(\\frac { a+b }{2}\\) \\(\\int_{a}^{b}\\) f(x) dx<\/p>\n<\/details>\n
\nQuestion 24.
\n\u222bex<\/sup>(cos x – sin x)dx is equal to
\n(a) ex<\/sup> – cos x + c
\n(b) ex<\/sup> sin x + c
\n(c) -ex<\/sup> cos x + c
\n(d) -ex<\/sup> sin x + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) ex<\/sup> – cos x + c<\/p>\n<\/details>\n
\nQuestion 25.
\n\u222b\\(\\frac { dx }{sin^2 x cos^2 x}\\) is equal to
\n(a) tan x + cot x + c
\n(b) (tan x + cot x)\u00b2 + c
\n(c) tan x – cot x + c
\n(d) (tan x – cot x)\u00b2 + c.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) tan x – cot x + c<\/p>\n<\/details>\n
\nQuestion 26.
\nIf \u222b \\(\\frac { 3e^x-5e^{-x} }{4r^x+5e^{-x}}\\) dx = ax + b log |4ex<\/sup> + 5e-x<\/sup>| + c then
\n(a) a = –\\(\\frac { 1 }{8}\\), b = \\(\\frac { 7 }{8}\\)
\n(b) a = \\(\\frac { 1 }{8}\\), b = \\(\\frac { 7 }{8}\\)
\n(c) a = \\(\\frac { -1 }{8}\\), b = –\\(\\frac { 7 }{8}\\)
\n(d) a = \\(\\frac { 1 }{8}\\), b = –\\(\\frac { 7 }{8\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) a = –\\(\\frac { 1 }{8}\\), b = \\(\\frac { 7 }{8}\\)<\/p>\n<\/details>\n
\nQuestion 27.
\n\u222btan-1<\/sup> \u221ax dx is equal to
\n(a) (x + 1)tan-1<\/sup> \u221ax – \u221ax + c
\n(b) x tan-1<\/sup> \u221ax – \u221ax + c
\n(c) \u221ax – x tan-1<\/sup> \u221ax + c
\n(d) -1<\/sup>x – (x + 1) tan-1<\/sup> \u221ax + c<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) (x + 1)tan-1<\/sup> \u221ax – \u221ax + c<\/p>\n<\/details>\n
\nQuestion 28.
\n\u222bex<\/sup>(\\(\\frac { 1-x }{(1+x^2)}\\))2<\/sup> dx is equal to:
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) \\(\\frac { e^x }{(1+x^2)^2}\\) + c<\/p>\n<\/details>\n
\nQuestion 29.
\n\\(\\int_{a+c}^{b+c}\\) f(x)dx is equal to :
\n(a) \\(\\int_{c}^{b}\\) f(x – c)dx
\n(b) \\(\\int_{c}^{b}\\) f(x + c)dx
\n(c) \\(\\int_{c}^{b}\\) f(x)dx
\n(d) \\(\\int_{a-c}^{b-c}\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) \\(\\int_{c}^{b}\\) f(x + c)dx<\/p>\n<\/details>\n
\nQuestion 30.
\n\\(\\int_{-1}^{1}\\) \\(\\frac { x^3+|x|+1 }{x^2+2|x|+1}\\) is equal to
\n(a) log 2
\n(b) 2 log 2
\n(c) \\(\\frac { 1 }{2}\\) log 2
\n(d) 4 log 2<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) 2 log 2<\/p>\n<\/details>\n
\nQuestion 31.
\n\\(\\int_{c}^{b}\\) |x cos \u03c0x|dx is equal to
\n(a) \\(\\frac { 8 }{\u03c0}\\)
\n(b) \\(\\frac { 4 }{\u03c0}\\)
\n(c) \\(\\frac { 2 }{\u03c0}\\)
\n(d) \\(\\frac { 1 }{\u03c0}\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) \\(\\frac { 8 }{\u03c0}\\)<\/p>\n<\/details>\n
\nQuestion 32.
\nIf \\(\\int_{0}^{1}\\) \\(\\frac { e^t }{1+t}\\) dt = a, then \\(\\int_{0}^{1}\\) \\(\\frac { e^t }{(1+t)^2}\\)
\n(a) a – 1 + \\(\\frac { e }{2}\\)
\n(b) a + 1 – \\(\\frac { e }{2}\\)
\n(c) a – 1 – \\(\\frac { e }{2}\\)
\n(d) a + 1 + \\(\\frac { e }{2}\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) a + 1 – \\(\\frac { e }{2}\\)<\/p>\n<\/details>\n
\nQuestion 33.
\nIf x = \\(\\int_{0}^{y}\\) \\(\\frac { dt }{\\sqrt{1+9t^2}}\\) and \\(\\frac { d^y }{dx^2}\\) = ay, then a is equal to
\n(a) 3
\n(b) 6
\n(c) 9
\n(d) 1.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) 9<\/p>\n<\/details>\n
\nQuestion 34.
\nLet I = \\(\\int_{0}^{1}\\) \\(\\frac { sin x }{\u221ax}\\) dx and J = \\(\\int_{0}^{1}\\) \\(\\frac { cos x }{\u221ax}\\) dx. Then which of the following is true?
\n(a) I > \\(\\frac { 2 }{3}\\) and J < 2
\n(b) I > \\(\\frac { 2 }{3}\\) and J > 2
\n(c) I < \\(\\frac { 2 }{3}\\) and J < 2
\n(d) I < \\(\\frac { 2 }{3}\\) and J > 2.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) I < \\(\\frac { 2 }{3}\\) and J < 2
\nHint:
\n<\/p>\n<\/details>\n
\nQuestion 35.
\n\\(\\int_{0}^{\u03c0}\\) [cot x]dx, where [ . ] denotes the greatest integer function, is equal to
\n(a) \\(\\frac { \u03c0 }{2}\\)
\n(b) 2
\n(c) -1
\n(d) –\\(\\frac { \u03c0 }{2}\\)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) –\\(\\frac { \u03c0 }{2}\\)
\nHint:
\n<\/p>\n<\/details>\n
\nQuestion 36.
\nLet p (x) be a function defined on R such that p'(x) = p'(1 – x), for all x \u2208 [0, 1], p(0) = 1 and p (1) = 41.
\nThen \\(\\int_{0}^{1}\\) p(x) dx equals
\n(a) \\(\\sqrt { 41}\\)
\n(b) 21
\n(c) 41
\n(d) 42<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) 21
\nHint:
\nHere p'(x) – p'(1 – x).
\nIntegrating, p (x) = -p (1 – x) + c ………… (1)
\nAt x = 0, p(0) = -p (1) + c
\n\u21d2 1 = -41 + c \u21d2 c = 42.
\nPutting in (1),
\np (x) = -p(1 – x) + 42
\n\u2234 \\(\\int_{0}^{1}\\) p(x) dx = –\\(\\int_{0}^{1}\\) p(1 – x)dx + \\(\\int_{0}^{1}\\) 42 dx
\n\u21d2 21 = 42[x]\\(_{ 0 }^{1}\\)
\n\u21d2 21 = 42
\n\u21d2 I = 21.<\/p>\n<\/details>\n
\nQuestion 37.
\nLet In<\/sub> = \u222btan” x dx, (n > 1).
\nIf I4<\/sub> + I6<\/sub> = a tan5<\/sup> x + bx5<\/sup> + c, where c is a constant of integration, then the ordered pair (a, b) is equal to
\n(a) (\\(\\frac { 1}{5}\\), -1)
\n(b) (-\\(\\frac { 1}{5}\\), 0)
\n(c) (-\\(\\frac { 1}{5}\\), 1)
\n(d) (\\(\\frac { 1}{5}\\), 0)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) (\\(\\frac { 1}{5}\\), 0)
\nHint:
\nHere I4<\/sub> + I6<\/sub> = a tan5<\/sup> x + bx5<\/sup> + c
\n\u21d2 \u222btan4<\/sup>x dx + \u222btan6<\/sup> x dx = a tan5<\/sup> x + bx5<\/sup> + c.
\nDiff. both sides,
\ntan4<\/sup> x + tan6<\/sup> x = 5a tan4<\/sup> x sec\u00b2 x + 5bx4<\/sup>
\n= 5 a tan4<\/sup> x(1 + tan2<\/sup> x) + 5 bx4<\/sup>
\n= 5a tan4<\/sup> x + 5a tan6<\/sup>x + 5bx4<\/sup>.
\nComparing, 1 = 5a and 5b = 0
\n\u21d2 a = \\(\\frac { 1 }{5}\\) and b = 0.
\nHence, (a, b) = (\\(\\frac { 1}{5}\\), 0)<\/p>\n<\/details>\n
\nQuestion 38.
\nThe integral
\n<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) \\(\\frac {-1}{3(1+tan^3 x)}\\) + c