Question

radical of 20a^2b

Simplify by factoring.

Answer 1

2a sqrt 5b

Answer 2

\[\Large \sqrt{20a^2b}\]


\[\Large \sqrt{4*5a^2b}\]


\[\Large \sqrt{4}\sqrt{5}\sqrt{a^2}\sqrt{b}\]


\[\Large 2\sqrt{5}\times a\sqrt{b}\]


\[\Large 2a\sqrt{5b}\]


So \[\Large \sqrt{20a^2b}=2a\sqrt{5b}\]