Question

Please solve the below question
Class 9, Number System

Answer 1

Answer:

$10 \sqrt{20} \times \frac{1}{2 \sqrt{5} }$

$\frac{10 \sqrt{5} }{2 \sqrt{5} } \\ \\ = > 5$

#BeBrainly

Answer 2

Answer:

10

Step-by-step explanation:

√20 = √4*5 = 2√5

you can put √20 as 2√5 then 2√5 will cancel out from denominator and you will get 10 as final answer.... hope you will understand better.... Thank you...