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Normal from an external point to the parabola... suggest me please how

Normal from an external point to the parabola... suggest me please how

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Grade:12th pass

1 Answers

JASKARAN SINGH
34 Points
4 years ago
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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