Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
,
when C is constant of integration, then the value of
is .
Text Solution
Verified by ExpertsThe correct answer is:
3
(3)

Let tan x = t ⇒ sec 2 x ⋅ dx = dt
= 

⇒ A(t 2 − t + 1) + B(2t − 1) (t 2 − t + 1) + C(t + 1) = t
⇒ t 2 (A + 2B) + t( − A + B + C) + A − B + C = 1
∴ A + 2B = 0
− A + B + C = 1
A − B + C = 0
….(4)
A+2B=0







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