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If f is derivable at x =a,then underset...

If f is derivable at x =a,then ` underset(xto a ) lim( (xf(a) -af( x))/(x-a) ) `

A

`f(a)-af'(a)`

B

`f'(a)`

C

`-f'(a)`

D

`f(a)+af'(a)`

Text Solution

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The correct Answer is:
A
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