Question

√5 +√20 + √45 . Simplify each of the following

Answer 1

Solution:

i) √20 = √(2×2)×5 = 2√5

ii) √45 = √(3×3)×5 = 3√5

Now ,

√5 + √20 + √45

=√5 +2√5 + 3√5

= 6√5

Therefore,

(√5 + √20 + √45 ) = 6√5

•••

Answer 2

Hey!

Refer the below attachment !

Thanks !