A cubic Bezier curve is defined by the following equation: c(t) = (1 - t)^2 P_0 + 2t (1 - t)^2 P_1 + t^2 P_2 Complete the C++ and OpenGL program bellow so that it draws the curve with its control polygon. A cubic Bezier curve is defined by the following equation: c(t) = (1 - t)^2 P_0 + 2t (1 - t)^2 P_1 + t^2 P_2 Complete the C++ and OpenGL program bellow so that it draws the curve with its control polygon