Question

Z is
purely imaginary if and
only if?​

Answer 1

Answer:

Hello mate.

Step-by-step explanation:

If a = 0, then z =0+ bi is purely imaginary. If b = 0, then z = a + 0i is purely real. = z2. = z2 if and only if z is purely real or purely imaginary” is also true.

Answer 2

Answer:

as x+iy

where x is a real part and z is a imaginary part not i