The quadratic equation whose roots are the numbers having arithmetic mean $34$ and geometric mean $16$ is

  • A
    $x^{2}+68x-256=0$
  • B
    $x^{2}-68x-256=0$
  • C
    $x^{2}-68x+256=0$
  • D
    $x^{2}+68x+256=0$

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