For what value of k, function f(x)={((k ...

For what value of k, function `f(x)={((k cosx)/(pi-2x)",","if "x ne (pi)/(2)),(3",", "if " x =(pi)/(2)):}` is continuous at `x=(pi)/(2)`?

A

3

B

6

C

9

D

12

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The correct Answer is:

B

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