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Multiple choice

Arithmetic mean of roots of a quadratic equation is $3.5$ and their geometric mean is $2.5$. The required quadratic equation is

  1. $4x^2 - 28x + 15 = 0$
  2. $4x62 + 28x - 25 = 0$
  3. $x^2 - 14x + 25 = 0$
  4. $x^2 - 14x - 25 = 0$
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