Question

Does anyone know the simplest radical form for this question

Answer 1

A) 4
`\sqrt15\\`

Explanation:

Start by factoring 240 to its prime factors

√240 = √10 · 24 =√2·5·2·2·2·3

look for pairs of numbers. There are 2 pairs of 2s, so take those out of the radical

= 2·2√5·3

= 4√15

Answer 2

A.

Explanation:

Simplify the radical by breaking up the radicand up into a product of known factors, assuming positive real numbers.