If the function f(x) = {((cosx)^(1/x), "...

If the function `f(x) = {((cosx)^(1/x), ",", x != 0),(k, ",", x = 0):}` is continuous at x = 0, then the value of k is

A

(a) `1`

B

(b) `-1`

C

(c) `0`

D

(d) `e`

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The correct Answer is:

A

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