x/y এর সাথে কত যোগ করলে যোগফল 2y/x হবে?

A x2 − y2 / xy

B 2x2 + y2 / xy

C 2y2 - x2 / xy

D a2 - 2y2 / xy

Solution

Correct Answer: Option C

যোগ করতে হবে =2y/x -x/y
                          =(2y²  -x²)/xy

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