If f(x)={(1-sinx)/((pi-2x)^2)dot(logsin...

If `f(x)={(1-sinx)/((pi-2x)^2)dot(logsinx)/((log(1+pi^2-4pix+4x^2))),x!=pi/2 ,\k \ at \x=pi/2` is continuous at `x=pi/2,t h e nk=` `-1/(16)` (b) `-1/(32)` (c) `-1/(64)` (d) `-1/(28)`

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