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if the normal is parallel to the axis of y , then dy/dx=?

if the normal is parallel to the axis of y , then dy/dx=?

Grade:12th pass

1 Answers

Devashish Pathak
9 Points
4 years ago
Since normal is parallel to y axis and we know that tangent is perpendicular to normal.
Therefore tangent is perpendicular to y axis.
Therefore tangent is parallel to x axis 
Therefore dy/dx =0

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