If the equation $z^{2} + (p + iq) z + r + is = 0$, wherre $p, q, r$ and $s$ are real and non-zero roots, then
Reveal answer
Fill a bubble to check yourself
If the equation $z^{2} + (p + iq) z + r + is = 0$, wherre $p, q, r$ and $s$ are real and non-zero roots, then