Grade 12th passAnalytical Geometry
Normal from an external point to the parabola... suggest me please how
Normal from an external point to the parabola... suggest me please how
1 Answer
JASKARAN SINGH
Three normal can be drawn and the equation is y=mx-2am-am3 and if it passes through say p,q then am3+m(2a-p)+k=0. This will give three values of m so will give three normal equation
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