30. Find equations of the tangents to the curve x = 3:2 + 1, y = 21:3 + 1 that pass through the point (4, 3). 32. Find the area enclosed by the curve x = t - 2t, y = Vt and the y-axis.\f61 63 Find the exact area of the surface obtained by rotating the given curve about the xaxis. 62. x = 2t2 + 1/t, y = 8Vt, Ists3