The expression √5−√3√5+√3 when simplified reduces to a−b�

1.	The expression √5−√3√5+√3 when simplified reduces to a−b√15 Then a + b is
Answer» The expression $\frac{\sqrt{5} - \sqrt{3}}{\sqrt{5} + \sqrt{3}}$ when simplified reduces to $a - b \sqrt{15}$ Then a + b is

The expression √5−√3√5+√3 when simplified reduces to a−b√15 Then a + b is

Answer»

The expression $\frac{\sqrt{5} - \sqrt{3}}{\sqrt{5} + \sqrt{3}}$ when simplified reduces to $a - b \sqrt{15}$

Then a + b is