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Mathematics - Parabola Question with Solution | TestHub

MathematicsParabolaChordsMedium2 minQB

MathematicsMediumsingle choice

An equilateral triangle SAB is inscribed in the parabola $y^{2} = 4 ax$ having it's focus at ' S '. If the chord $A B$ lies to the left of $S$ , then the length of the side of this triangle is :

Options:

Answer:

Solution:

$A (a - 1 cos 3 0^{\circ}, 1 sin 3 0^{\circ})$

Point ' A ' lies on $y^{2} = 4 ax$

⇒ a quadratic in ' $l$ '

Stream:JEESubject:MathematicsTopic:ParabolaSubtopic:Chords

⏱ 2mℹ️ Source: QB

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