Question

Rationalise the denominator of 4/5√5

Answer 1

hy mate!

to rationalise

$\frac{4}{ 5\sqrt{5} } we \: need \: to \: multiply \: \frac{ 5\sqrt{5} }{ {5 \sqrt{5} } }$

$\frac{20 \sqrt{5} }{25 \times 5}$

$= \frac{ 4\sqrt{5} }{25}$

hope the answer helps u

Answer 2

to rationalise the denominator of 4/5√5
=> 4/5√5 × 5√5÷5√5
=>20√5 ÷25×5
=>4√5÷25
I hope my answer will helps you