Question

Give an example of two complex numbers whose product is a real number.

Answer 1

\[\left( a+ib \right)\left( a-\iota b \right)=a ^{2}-\iota ^{2}b ^{2}=a ^{2}+b ^{2}\]

Answer 2

3 + 2i
-6i

Answer 3

Thank you I have some more question I need help with. If you don't mind

Answer 4

ok