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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

`af'(a) - 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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