Question

How do you simplify `sqrt(8)`?

Answer 1

`=2sqrt2`

Explanation:

We first prime factorise `8`

Prime factorisation involves expressing a number as a product of its prime factors.

`8= 2 xx 2 xx 2`

So,
`sqrt8 = sqrt (2 xx 2 xx 2`

`=sqrt(2^2 xx2`

`=2sqrt2`