Question 1 2 pts What is the general solution of an exact differential equation differential (x - 2y) dx + 2 (y - x) dy = 0 Ox' - 4xy + y' = C Ox' - 2xy + y' = 0 O y - 4xy = C O x' - 4xy + 2y' = 0 Question 2 2 pts What is the integrating factor y' = 2 (2x - y)? O 2x Question 3 2 pts The differential equation (y + 1) da + (4x -1) dy = 0 is an exact equation . O FALSE O TRUEQuestion 4 2 pts The differential equation 3x (xy -2) da + (23 + 2y) dy = 0, is an exact equation . O FALSE O TRUE Question 5 2 pts Given the exact differential equation , (3x2 + ycosx) da + (sinx - 4y ) dy = 0 What is the value of J Mdx ? O ysina - 47 = 0 O 3x + ysins = C Or' + ysins = C O ' + ysinx + cosa = C