Question

what is the reciprocal of
$5 + \sqrt{2}$
​

Answer 1

Answer:

The reciprocal will be

1/ 5 + √2

Rationalising the denominator by multipying and dividng by 5 - √2 we get

1 × 5 - √2 / 5 + √2 × 5 - √2

= 5 - √2 / 25 - 2

= 5 - √2 / 23

Ans.

Answer 2

Step-by-step explanation:

refer to the attachment

hope it helps u.......