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If e^(f(x))=(10+x)/(10-x), x in (-10, 10...

If `e^(f(x))=(10+x)/(10-x), x in (-10, 10) and f(x)=kf ((200x)/(100+x^(2)))`, then k =

A

0.5

B

0.6

C

0.7

D

0.8

Text Solution

Verified by Experts

The correct Answer is:
A
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