Mathematics - Parabola Question with Solution | TestHub

MathematicsParabolaChordsMedium2 min

MathematicsMediumsingle choice

The number of focal chords of length $4/7$ in the parabola $7 y^{2} = 8 x$ is

Options:

Answer:

A

Solution:

since length of latus –rectum = 8/7

Latus-rectum is the smallest focal chord

Hence focal chord of length 4/7 does not exist.

Stream:JEESubject:MathematicsTopic:ParabolaSubtopic:Chords

⏱ 2m

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