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If int0^(pi/2) (d theta)/(9 sin^(2) thet...

If `int_0^(pi/2) (d theta)/(9 sin^(2) theta + 4 cos^(2) theta) = k pi`, then k =

A

`1/12`

B

44531

C

44409

D

44256

Text Solution

Verified by Experts

The correct Answer is:
B
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