Find the equation of the normal line to a polynomial curve at a given point. The normal line is perpendicular to the tangent line at that point.
Find the equation of the normal line to a polynomial curve at a given point. The normal line is perpendicular to the tangent line at that point.
Enter comma-separated coefficients starting from the highest degree term.
The normal line passes through (a, f(a)) with slope -1/f'(a), perpendicular to the tangent line slope.
How this calculator works
The normal line passes through (a, f(a)) with slope -1/f'(a), perpendicular to the tangent line slope.
Common questions about this calculator