Đáp án:
b) \(\left\{ \begin{array}{l}
p \ge 0\\
m \ge 0\\
m \ne p
\end{array} \right.\)
Giải thích các bước giải:
\(\begin{array}{l}
a)DK:\left\{ \begin{array}{l}
p \ge 0\\
m > 0
\end{array} \right.\\
b)DK:\left\{ \begin{array}{l}
p \ge 0\\
m \ge 0\\
\sqrt m - \sqrt p \ne 0
\end{array} \right.\\
\to \left\{ \begin{array}{l}
p \ge 0\\
m \ge 0\\
\sqrt m \ne \sqrt p
\end{array} \right.\\
\to \left\{ \begin{array}{l}
p \ge 0\\
m \ge 0\\
m \ne p
\end{array} \right.
\end{array}\)
