need help ma'am/sir

In each of the following eliminate the arbitrary constants. 1. y=x+Cle* + cze-x 2. y=Cle2*+ Cze3x Obtain the general solution 3. xydx-(x+2)dy=0 4. x'dx + y(x - 1)dy = 0 Obtain a family solution 5. x2y' = 4x2 + 7xy + 2y2 6. xydx-(x2 + 3y2) dy = 0 Test each of the following equations for exactness and solve the equation. 7. (6x+y? ) dx + y(2x - 3y)dy = 0 8. (y2 - 2xy + 6x) dx - (x2 - 2xy + 2) dy = 0