Question

Rationalise the denominator 2/√7

Answer 1

$\frac{2}{ \sqrt{7} }$

$\frac{2}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} }$

$\frac{2 \sqrt{7} }{7}$

Answer 2

Step-by-step explanation:

wehave to rationalise the denominator:-

2/√7

2X√7

√7X√7

2√7

7