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Eccentricity of Ellipse

In a standard...

Question

In a standard biquadratic equation $a x^{4} + b x^{3} + c x^{2} + d x + e = 0$ , what is the product of roots?

\frac{- b}{a}

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\frac{d}{a}

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\frac{- c}{a}

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\frac{e}{a}

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Solution

The correct option is D $\frac{e}{a}$
$= \frac{c o - e f f i c i e n t o f c o n s t a n t}{c o - e f f i c i e n t o f x^{n}}$
$= \frac{e}{a}$

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