Question

Express the radical using the imaginary unit i

Answer 1

Answer:

$i$$\sqrt{30}$

Step-by-step explanation:

$\sqrt{-30}$

= $\sqrt{30 * -1}$      

= $\sqrt{30} * \sqrt{-1}$   Separate the two numbers into 2 radicals.

= $i\sqrt{30}$             Simplify, knowing that $i = \sqrt{-1}$.