Find an equation of the tangent plane to the surface z = 2a2 + 1y – la – 3y – 1 at the point (5, 3, 44). %3D

Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.

Write parametric equations for a cycloid traced by a point P on a circle of radius a as the circle rolls along the x -axis given that P is at a maximum when x=0.

Find an equation of the tangent plane to the surface z = 2y? – 3x? at the point (-3, -3, -9). = Z