If f(x) = (x)/(1+(log x)(log x)....oo), ...

If `f(x) = (x)/(1+(log x)(log x)....oo), AA x in [1, 3]` is non-differentiable at x = k. Then, the value of `[k^(2)]`, is (where `[*]` denotes greatest integer function).

A

5

B

6

C

7

D

8

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The correct Answer is:

C

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