Question

find reciprocal of 5+ underroot2

Answer 1

The reciprocal of
$5 + \sqrt{2}$
is...
$\frac{1}{5 + \sqrt{2} }$

Answer 2

Answer:

Step-by-step explanation:

5+root2 reciprocal =1/5+root2

=1/5+root2×5-root2/5-root2

=5-root2/(5)square+(root2)square

=5-root2/25-2

=5-root2/23