Find the equations of the tangent and the normal to the curve `x^2=4y` at `(2,\ 1)` at indicated points.

Find the equations of the tangent and the normal to the curve y^2=4a x at (x_1,\ y_1) at indicated points.

Find the equations of the tangent and the normal to the curve y^2=4a x at (x_1,\ y_1) at indicated points.

Find the equations of the tangent and the normal to the curve y^2=4x at (1,\ 2) at indicated points.

Find the equations of the tangent and the normal to the curve y^2=4x at (1,\ 2) at indicated points.

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

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

Find the equations of the tangent and the normal to the curve y=2x^2-3x-1 at (1,\ -2) at the indicated points

Find the equations of the tangent and the normal to the curve y=2x^2-3x-1 at (1,\ -2) at the indicated points

Find the equations of the tangent and the normal to the curve y=x^2+4x+1 at x=3 at the indicated points

Find the equations of the tangent and the normal to the curve y=x^2+4x+1 at x=3 at the indicated points