Question

Qual é a raiz quadrada de (X) elevado a 2

Answer 1

(√x)²=x
espero ter ajudado. só cortar a raiz

Answer 2

\sqrt{x}=\pm|\sqrt{x}|\\\\
\begin{cases}\text{Se }\sqrt{x}=+|\sqrt{x}|\Rightarrow(\sqrt{x})^2=(+|\sqrt{x}|)^2=|x|\\\text{Se }\sqrt{x}=-|\sqrt{x}|\Rightarrow(\sqrt{x})^2=(-|\sqrt{x}|)^2=|x|\end{cases}\\\\\\
\therefore\boxed{(\sqrt{x})^2=|x|}