Solve the following differential equation: dV = V coto + V3 coseco [10] de Question 2 Find the particular solution of the following using the method of undetermined coefficients: d's - 6d8 649 + 85 = 4e2t where t=0,5 = 0 and as = 10 [15] dt2 dt dt Question 3 dạy dx2 = dx Find the particular solution of its - 2 + 5y = e-3* given that y(0) = 0 and y'(0) = 0 -30) using the method of undetermined coefficients. [15] Question 4 Find the general solution of the following differential equation