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Grade 12th passAnalytical Geometry

Question number 3 sir.......................... Please sir a step by step..........................

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Profile image of Sanjay Singh
6 Years agoGrade 12th pass
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1 Answer

Profile image of Aditya Gupta
ApprovedApproved Tutor Answer6 Years ago
if a line is y+2at= t(x – at^2)......(1), note that its slope is t. so a perpendicular line will have slope – 1/t, and hence its eqn will be
y – 2a/t= – (x – a/t^2)/t........(2)
eliminate t from (1) and (2), you get
x= y^2/a + 3a, which is a parabola.
kindly approve :=)