Evaluate square root of -10

$\sqrt{- 10}$

Step 1

Rewrite $- 10$ as $- 1 (10)$ .

$\sqrt{- 1 (10)}$

Step 2

Rewrite $\sqrt{- 1 (10)}$ as $\sqrt{- 1} \cdot \sqrt{10}$ .

$\sqrt{- 1} \cdot \sqrt{10}$

Step 3

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

$i \sqrt{10}$