Write an equation of the normal line that is perpendicular to the tangent line to the curve x^2+xy-y^2=1 at a point (2,3)
I don't even know how to start this I need step by step help if possible,
Write an equation of the normal line that is perpendicular to the tangent line to the curve x^2+xy-y^2=1 at a point (2,3)
I don't even know how to start this I need step by step help if possible,