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यदि f(x) = ((1)/(x)+1)/((1)/(x)-1), f...

यदि `f(x) = ((1)/(x)+1)/((1)/(x)-1)`,
f(x) + f(-x) का मान ज्ञात करो

A

`(1 + x^(2))`

B

`2 ((1 - x^(2)))/(1 +x^(2))`

C

`2 ((1 + x^(2)))/((1 - x^(2)))`

D

`(1 + x^(2))/( 1 - x^(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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