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Question: Answered & Verified by Expert
The quadratic equation whose roots are the numbers having arithmetic mean 34 and geometric mean 16 is
MathematicsQuadratic EquationMHT CETMHT CET 2020 (19 Oct Shift 2)
Options:
  • A $x^{2}+68 x-256=0$
  • B $x^{2}-68 x-256=0$
  • C $x^{2}-68 x+256=0$
  • D $x^{2}+68 x+256=0$
Solution:
2673 Upvotes Verified Answer
The correct answer is: $x^{2}-68 x+256=0$
Quad $E q^{n}: \rightarrow$
$A M \text { of } a, b=34$
$a+b=68$
GM of $a, b,=\pm 6$
$\begin{aligned} a, b \rightarrow \text { roots } \rightarrow \quad a b &=256 \\ x^{2}-68 x+256 &=0 \end{aligned}$

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