Question

Evaluate the following 1÷√9-√8

Answer 1

Answer:

$\frac{1}{ \sqrt{9} - \sqrt{8} } \\ \\ = \frac{1}{ \sqrt{9} - \sqrt{8} } \times \frac{ \sqrt{9} + \sqrt{8} }{ \sqrt{9} + \sqrt{8} } \\ \\ = \frac{ \sqrt{9} + \sqrt{</em></strong><strong><em>8</em></strong><strong><em>} }{9 - 8} = \frac{ \sqrt{9} + \sqrt{8} }{1}$