1.

If x = $\frac{\sqrt{5}+\sqrt{3}}{\sqrt{5}-\sqrt{3}}$, y = $\frac{\sqrt{5}-\sqrt{3}}{\sqrt{5}+\sqrt{3}}$, then (x + y) equals :1). 82). 163). $2\sqrt{5}$4). $2(\sqrt{5}+\sqrt{3})$

Answer» 8


Discussion

No Comment Found