" 1.Find the equation of tangent at "(-4,-4)" on the curve "x^(2)=-4y" is "

Find the equations of tangent and normals to the curves y=x^(2)-4x+2 at (4,2)

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 x^2=4y at (2,\ 1) at indicated points.

Find the equation of tangents to the curve x^(2)+y^(2)-2x-4y+1=0 which are parallel to the x -axis.

Find the equation of the normal at a point on the curve x^(2)=4y , which passes through the point (1,2). Also find the equation of the corresponding tangent.

Find the equation of the normal at a point on the curve x^(2) = 4y , which passes through the point (1, 2). Also, find the equation of the corresponding tangent.

The equation of common tangent to the curve y^2=4x and xy=-1 is