421. Find parametric equations for the line perpendicular to the surface 2 = 3.1:2 2y: l at the point [1,2J E]. h. 1|Write parametric equations for the line perpendicular to the surface 3:: = 2}' + 5 and through the point l[1,1r 6]. c. Circle ofradius 4 parallel to the .r:- plane: centered at the point [1, 3r 2}, traversed counterclockwise when viewed from the direction efpositive }' axis