- $\sqrt{\-21}$

asked by guest
on Nov 28, 2024 at 12:44 am



You asked:

Evaluate the expression: \(-\sqrt{-21}\)

MathBot Answer:

\[-\sqrt{-21} = - \sqrt{21} i\]


\[\begin{aligned}-\sqrt{-21}& = - \sqrt{-21}\\& = - i \cdot \sqrt{21}\\& = - \cdot i \cdot \sqrt{21}\end{aligned}\]