Classify the following DEs as linear homogeneous, linear nonhomogeneous or nonlinear differential equations. Also state their order and name the dependent and independent variables. a. C. Y d. dz dz + (sin(y)) d + (sin(y) + cos(y))z - ey = 0. dy dy b. 3- dx 4 2 ds 2 - 2s (5) = sin(y). dy' +2x(r) -3f(r) = 0 where f(r) is a function of r. dt d s +3 dx dt d's +4. dy dy dx dr 4x - cos(t)=-2 cos(t).