If one of the roots of ax2-bx-c-0 is 7-2 then find the other root

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Roots of Quadratic Equation

If one of the...

Question

If one of the roots of $a x^{2} + b x + c = 0$ is $7 + \sqrt{2}$ then find the other root

- 7 + \sqrt{2}

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7 - \sqrt{2}

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- 7 - \sqrt{2}

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Cannot be determined

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∣ ∣ ∣ ∣ \begin{matrix} 7 & 6 & x 2 & x & 2 x & 3 & 7 \end{matrix} ∣ ∣ ∣ ∣ = 0

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a x^{2} + b x + c = 0.

\frac{- c - 3 b}{a}

{sec}^{2} \frac{π}{7}

{tan}^{2} \frac{π}{7}

a x^{2} + b x + c = 0

\frac{5 a^{2} - (b^{2} - c^{2})}{(2 a - c)^{2}}

x^{2} - b x + c = 0, (b, c) ϵ Q

\sqrt{7 - 4 \sqrt{3}}

{sec}^{2} \frac{π}{7}

{tan}^{2} \frac{π}{7}

a x^{2} + b x + c = 0

\frac{5 a^{2} - (b^{2} - c^{2})}{(2 a - c)^{2}}

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