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Let $L$ be a normal to the parabola $y^{2} = 4 x .$ If $L$ passes through the point $(9, 6)$ , then $L$ is not given by

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detailed solution

Correct option is C

The equation of the normal is y=mx−2m−m3As it passes through (9, 6) 6=9m−2m−m3⇒m3−7m+6=0⇒m=1,2,−3Showing that L is not given by (c).

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Let L be a normal to the parabola y2 = 4x. If L passes through the point (9, 6), then L is not given by

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Let $L$ be a normal to the parabola $y^{2} = 4 x .$ If $L$ passes through the point $(9, 6)$ , then $L$ is not given by