((x + y)/x)+((x - y)/y)-((x- y2)/xy) =?

A y/x

B x/y

C 2x/y

D 2y/x

Solution

Correct Answer: Option D

((x + y)/x)+((x - y)/y)-((x- y2)/xy) 
= ((xy + y2 + x2 - xy)/xy) - ((x- y2)/xy) 
= ((x2 + y2)/xy) - ((x- y2)/xy) 
= (x2 + y2 - x2 + y2)/xy 
= 2y2/xy
= 2y/x 

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