A. $\frac{\sqrt{x^{2} - y^{2}}}{x}$

B. $\frac{\sqrt{y^{2} - x^{2}}}{x}$

C. $\frac{x}{\sqrt{x^{2} - y^{2}}}$

D. $\frac{x}{\sqrt{y^{2} - x^{2}}}$

সঠিক উত্তরঃ B.

\frac{\sqrt{y^{2} - x^{2}}}{x}

Explanation:

A. x2-y2x B. y2-x2x C. xx2-y2 D. xy2-x2