Question

What imaginary number is equivalent to (square root symbol) -36?

Answer 1

Answer:

6 i

Step-by-step explanation:

The imaginary number "6 i" when squared gives :$(6\,i)^2=36\,(i)^2=36 (-1) = -36$

Answer 2

Answer:

Step-by-step explanation:

$\\ \sqrt{-36 }=\sqrt{36 \times -1} =\sqrt{36 \times \iota^2}=\pm 6 \iota\\so~ 0+6 \iota\\and~0-6 \iota$