Consider two differential equations:
I: ey dx + (xey + 2y)dy = 0
II: xdy + 2y2 dx = 0
Which of the following statements is correct?
1
Both I and II are exact differential equation.
2
I is not exact but Ii is an exact differential equation.
3
Neither I nor II are exact differential equations
4
I is exact but II is not an exact differential equation.