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9. Let f(x)=log(cos2ix) {base of logarithm is (cos3x)}. If x is not equal to zero and f(0)=k (i=-1) is continuous at x=0 then find the value of k.

Answer» 9. Let f(x)=log(cos2ix) {base of logarithm is (cos3x)}. If x is not equal to zero and f(0)=k (i=-1) is continuous at x=0 then find the value of k.


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