Question

Find the square root of -9-40i

Answer 1

Answer:

-9-40i=

Step-by-step explanation:

-9-40i

=-25+16-40i

=-5²+4²-40√-1

=5²*(-1)+4²-40√-1

=(5i)²+4²-2*(5i)(4)

-9-40i=(5i-4)²

√(-9-40i)=5i-4