
Kathy M. answered 07/17/17
Tutor
5
(13)
High School Math Teacher 9+years
2x5 + x4y + y5 = 36
needs implicit differentiation
10x4 + [ 4x3y + x4(dy/dx) ] + 5y4(dy/dx) = 0
x4(dy/dx) + 5y4(dy/dx) = -10x4 - 4x3y
dy/dx (x4 + 5y4) = -10x4 - 4x3y
dy/dx = (-10x4 - 4x3y) / (x4 + 5y4)