Q .     Let `k` be a non-zero real number. If `f(x) ={tt [( \frac{(e^x - 1)^2}{ \sin ( \frac{x}{k} ) \log ( 1 + \frac{x}{4} )}, x \ne 0),( 12, x = 0)]`. is a continuous function, then the value of `k` is

JEE 2015 Mains 11 April
A

`2`

B

`4`

C

`3`

D

`1`

0
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