Question

the no. obtain on rationalising the Dinominator of 1/√7-2 is​

Answer 1

Step-by-step explanation:

$\frac{1}{ \sqrt{7 } - 2 } \times \frac{ \sqrt{7} + 2}{ \sqrt{7 } + 2} \\ = \frac{ \sqrt{7} + 2}{7 + 4} \\ = \frac{ \sqrt{7} + 2}{11}$

hope this helps u

Answer 2

No idea...............Sorry