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If ( xy)/( x + y) = a , ( xz)/( x + z) =...

If `( xy)/( x + y) = a , ( xz)/( x + z) = b and ( yz)/( y + z) = c ` where a, b, are all non-zero numbers, then x equals to

A

`(2abc)/(ab + bc - ac)`

B

`(2abc)/( ab + ac - bc)`

C

`(2 abc)/(a c + bc - ab)`

D

`(2abc)/( ab + bc + ac)`

Text Solution

Verified by Experts

The correct Answer is:
C
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