1.

\frac { ( 7 + 3 \sqrt { 5 } ) } { ( 3 + \sqrt { 5 } ) } - \frac { ( 7 - 3 \sqrt { 5 } ) } { ( 3 - \sqrt { 5 } ) }

Answer»

Rationalize both part and get the dinominator without any root means a rational number then simply solve it



Discussion

No Comment Found