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Question

Question: \[\frac{\sec^{p + 1}x}{p + 1} + c\]...

secp+1xp+1+c\frac{\sec^{p + 1}x}{p + 1} + c

A

secpxp+c\frac{\sec^{p}x}{p} + c

B

tanp+1xp+1+c\frac{\tan^{p + 1}x}{p + 1} + c

C

tanpxp+c\frac{\tan^{p}x}{p} + c

D

None of these

Answer

tanpxp+c\frac{\tan^{p}x}{p} + c

Explanation

Solution

2(secx+tanx)x+c2(\sec x + \tan x) - x + c

Put 1/3(secx+tanx)3+c1/3(\sec x + \tan x)^{3} + c

then it reduces to

secx(secx+tanx)+c\sec x(\sec x + \tan x) + c.