Question

What is √(−5) in the form a+bi?

Answer 1

if you factor and split up the square root, it should be apparent...

\[\sqrt{-5}=\sqrt{-1\cdot 5}=\sqrt{-1}\cdot \sqrt{5}=0+\sqrt{-1}\cdot \sqrt{5}=?\]

Answer 2

you there?

Answer 3

thank you