Question

Rationalise the denominator of the
1/√7-2​

Answer 1

Step-by-step explanation:

Hope it will help you .....

Answer 2

$\frac{1}{\sqrt{7-2}} *\frac{\sqrt{7+2} }{\sqrt{7+2} } \\\\=\frac{\sqrt{7+2} }{(\sqrt{7}) ^{2 +( \sqrt{2}) ^{2}}} \\\\= \frac{\sqrt{7+2} }{7+2} \\\\=\frac{\sqrt{7+2} }{9}$