1.Under what conditions is the square of a complex number x + iy(A) a real number.(B) an imaginary number.2.Can you consider the number 1 as a complex number?Give reason.3.A student got 1 = -1, by putting a = -1 and b = -1 in √(ab) = √a.√b, where did he commit the mistake?♣ Don't spam.♣ ♦ Otherwise you will be reported.

1.Under what conditions is the square of a complex number x + iy(A) a

1.	1.Under what conditions is the square of a complex number x + iy(A) a real number.(B) an imaginary number.2.Can you consider the number 1 as a complex number?Give reason.3.A student got 1 = -1, by putting a = -1 and b = -1 in √(ab) = √a.√b, where did he commit the mistake?♣ Don't spam.♣ ♦ Otherwise you will be reported.
Answer» A) when any of X or y is zero B) when x=y 2) yes, here y=0 and x=1 and can be return as 1 + i0 3) you can't put -ve TERM in under root