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If lim(t rarrx)(e^(t)f(x)-e^(x)f(t))/((t...

If `lim_(t rarrx)(e^(t)f(x)-e^(x)f(t))/((t-x)(f(x))^2)=2 and f(0) =1/2` , then find the value of f'(0)

A

4

B

2

C

0

D

1

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C
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