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

BAIJNATH Kumar , 7 Years ago
Grade 12th pass
anser 1 Answers
JASKARAN SINGH

Last Activity: 7 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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