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Multiple choice

If at least one of the equations $ { x^{ 2 } }+px+q=0$ , $ { x^{ 2 } }+rx+s=0 $ has real roots, then

  1. $qs =(p+r)$
  2. $pr =(q+s)$
  3. $pr =2(q+s)$
  4. None of these.

Reveal answer Fill a bubble to check yourself
C Correct answer

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