Show that the differential equation °y"+ a(1+y)y 0 is not exact, but becomes exact when multiplied by the integrating factor %3D H(t, y) = 1 Then solve the equation. %3D xy7 The given equation is not exact, because My %3D which is different from N %3D After multiplication with u(z,y), the equation is exact, because then My = N = %3D %3D The general solution of the differential equation is given implicitly by c, for any constant c, where y > 0. %3D

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