Find the equation of latus rectum of parabola y2=-100x.
Find the equation of latus rectum of parabola y2=-100x. Correct Answer x=-25
Comparing equation with y2=-4ax. 4a=100 => a=25. Line passing through focus perpendicular to axis is latus rectum. Equation of latus rectum is x=-a => x=-25.
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Feb 20, 2025