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Multiple choice

If the equation $z^{2} + (p + iq) z + r + is = 0$, wherre $p, q, r$ and $s$ are real and non-zero roots, then

  1. $pqr = r^{2} + p^{2}s$
  2. $prs = q^{2} + r^{2}p$
  3. $qrs = p^{2} + s^{2}q$
  4. $pqs = s^{2} + q^{2}r$
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D Correct answer

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  • Algebra (3715 questions)
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