If int(0)^(k)(dx)/(2+18x^(2))=(pi)/(24),...

If `int_(0)^(k)(dx)/(2+18x^(2))=(pi)/(24)`, then the value of k is

A

(a) `3`

B

(b) `4`

C

(c) `1/3`

D

(d) `1/4`

Verified by Experts

The correct Answer is:

C

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