What is the standard equation of normal?

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Roshan Kumar

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y-y1=-(1/m)(x-x1); where (x1,y1) is the point at which we are drawing the normal and m is the slope of the normal
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y-y1= - dx/dy (x-x1)
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Mathematics is not about numbers, equation, computation, or algorithms it is about UNDERISTANDING.

Equation of normal of any curve at point (x1,y1) is (x-x1)+(dy/dx)(x1,y1)(y-y1)=0
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