Find the equation of the tangent and normal at the point (1,2) on the parabola `y^2=4x`.

Find the equations of the tangent and normal to the parabola y^2=4 a x at the point (a t^2, 2 a t)

Find the equations of the tangent and normal to the parabola y^2=4ax at the point (at^2 2at) .

Find the equation to the tangent and normal at (2,-2) to the curve y^2=x^3/(4-x)

Find the equation of the tangent and normal to the given curve at the indicated points y=x^2 at (0,0)

Find the equation of the tangent and normal to the given curve at the indicated points y=x^4-6x^3+13x^2-10x+5 at (1,3)

Find the equation of the tangent to the curve y=3x^2 at (1,1)

Find the equation of tangents and normals to the given curves y=x^3 at (1,1)

Find the equations of the tangent and normal to the hyperbola (x^2)/a^2-(y^2)/b^2=1 at the point (x_0,y_0) .