Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let Ι n = 
, (n > 1). If Ι 4 + Ι 6 = a tan 5 x + bx 5 + C, where C is a constant of integration, then the ordered pair (a, b) is equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Sol. Ι n = 
(tanx) n–2 sec 2 xdx – 
Ι n + Ι n–2 = 
put n = 6
Ι 4 + Ι 6 = 
tan 5 x = atan 5 x + bx 5 + c ⇒ a = 
b = 0 c = 0
∴ (a, b) = 
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