Question

sq rt of -19 in terms of i?

Answer 1

What is the square root of 19?

\(\sqrt{19}=~?\)

Answer 2

In exact terms mind you.

Answer 3

\[\sqrt{-19} =\sqrt{-1 \times 19}=i \sqrt{19}\]

Answer 4

so you have \[\sqrt{-19}\] remember that i is an imaginary number so it becomes \[i \sqrt{19}\]

Answer 5

Good job on giving the answer guys...