यदि alpha=(x)/(x+y) तथा b=(y)/(x-y) तब (...

यदि `alpha=(x)/(x+y)` तथा `b=(y)/(x-y)` तब `(ab)/(a+b)` बराबर होगा

A

`(xy)/(x^(2)+y^(2))`

B

`(x^(2)+y^(2))/(xy)`

C

`(x)/(x+y)`

D

`((x)/(x+y))^(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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