Question

Find the square root of $28$ in radical form

Answer 1

Find the square root of $28$ using prime factorization method

The prime factors of $28$ can be written as

$28=2\times 2\times 7$

Taking Square root on both sides

$\Rightarrow$$\sqrt{28}=\sqrt{2\times 2\times 7}$

$\Rightarrow$$\sqrt{28}=2\sqrt{7}$

Hence the square root of $28$ is $2\sqrt{7}$