Question

Can someone explain what taking the square root of something means
\(\sqrt ~=\sqrt[2] ~\)

Answer 1

finding the square root of \(N\) means finding\[n\in\mathbb C|(n\cdot n)=N\]

Answer 2

\[n=\sqrt N\iff n\times n=N\text{ where }n\in\mathbb C\]