If un = int0^(pi//2) cos^n x cos nx dx ,...

If `u_n = int_0^(pi//2) cos^n x cos nx dx `, then `(u_n)/(u_(n+1))` =

A

3

B

`2//3`

C

2

D

`3//4`

Text Solution

Verified by Experts

The correct Answer is:

C

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