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If f (x) is differentiable at x = h , fi...

If f (x) is differentiable at x = h , find the value of
`lim_(s to h)((x+h)f(x)-2hf(h))/(x-h)`

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The correct Answer is:
f(h) + 2hf'(h)
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CHHAYA PUBLICATION-DIFFERENTIATION-Example
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