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

A (x2-y2)/xy

B (2x2-y2)/xy

C (y2-x2)/xy

D (x2-2y2)/xy

Solution

Correct Answer: Option C

(y/x)-(x/y) = (y2-x2)/xy

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