MCQ
Let two numbers have arithmetic mean $9$ and geometric mean $4$.Then, these numbers are the roots of the quadratic equation:
  • A
    $x^2+18 x+16=0$
  • $x^2-18 x+16=0$
  • C
    $x^2+18 x-16=0$
  • D
    $x^2-18 x-16=0$

Answer

Correct option: B.
$x^2-18 x+16=0$
  1. $x^2-18 x+16=0$

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