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If the function f(x) is differentiable a...

If the function `f(x)` is differentiable at `x=a`, then it is increasing at `x=a` when -

A

`f'(a) gt 0`

B

`f'(a) lt 0`

C

`f'(a) ge 0`

D

`f'(a) le 0`

Text Solution

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The correct Answer is:
a
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