Question: solve question 2 and 3 please. Questions 2: (20 point) Show that the ODE [ dot{u}=-frac{sin (t)(u+1)}{2 u-cos (t)-1} ] is exact, and find the

solve question 2 and 3 please. Questions 2: (20 point) Show that the ODE \[ \dot{u}=-\frac{\sin (t)(u+1)}{2 u-\cos (t)-1} \] is exact, and find the solution $ u(t) $ which satisfies $ u(0)=0 $. (You don't need to find the domai 2 answers

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