Question

square root of 8a^8

Answer 1

2sqrt2a^4

Answer 2

\[\sqrt{8} = \sqrt{2\times4} = 2\sqrt{2}\]
\[\sqrt{a ^{8}}= a ^{8/2}=a ^{4}\] so
\[\sqrt{8a ^{8}} = 2a ^{4}\sqrt{2}\]