If the parabola $y^{2} = 4 a x$ passes through (-3,2), then length of its latus rectum is

2/3

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1/3

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4/3

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Solution

The correct option is C
4/3

The point (-3,2) will satisfy the equation $y^{2} = 4 a x$

$\Rightarrow$ 4 = -12a $\Rightarrow 4 a = - \frac{4}{3} = \frac{4}{3},$ (Taking positive sign).

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Similar questions

If the parabola $y^{2} = 4 a x$ passes through (-3,2), then length of its latus rectum is

y^{2} = 4 a x

y^{2} = 4 a x

(3, 2)

y^{2} = 4 a x

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