Evaluate square root of -23

$\sqrt{- 23}$

Step 1

Rewrite $- 23$ as $- 1 (23)$ .

$\sqrt{- 1 (23)}$

Step 2

Rewrite $\sqrt{- 1 (23)}$ as $\sqrt{- 1} \cdot \sqrt{23}$ .

$\sqrt{- 1} \cdot \sqrt{23}$

Step 3

Rewrite $\sqrt{- 1}$ as $i$ .

$i \sqrt{23}$