Class 12

7-1.Indefinite Integral question bank (Maths)

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Q1.

$\int (1 + 2x + 3x^2 + 4x^3 + \dots) \, dx =$

(A)

$(1 + x)^{-1} + c$

(B)

$(1 - x)^{-1} + c$

(C)

$(1 - x)^{-1} - 1 + c$

(D)

None of these

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Q2.

$\int {\{ 1 + 2\tan x(\tan x + \sec x)\} }^{1/2} dx =$

(A)

$\log |\sec x + \tan x| + c$

(B)

$\log |\sec x + \tan x|^{1/2} + c$

(C)

$\log |\sec x(\sec x + \tan x)| + c$

(D)

$\text{None of these}$

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