1. implicit derivative dydx , xy=x+y
2. implicit derivative dydx , x2+y2=4
3. implicit derivative dydx , x3+y3=6xy
4. implicit derivative dydx , x2+y2=25
5. implicit derivative dydx , (x+2)2+(y−3)2=37
6. implicit derivative dydx , √x+√y=3
7. implicit derivative dydx , x23 +y23 =4
8. implicit derivative dydx , y2(y2−4)=x2(x2−5)
9. implicit derivative dydx , y=sin(xy)
10. implicit derivative dydx , x2(x−y)2=x2−y2