Question

Help please with question 11 if you have time

Answer 1

16y^3 + 9x^2y - 54x = 0

16*3y* dy/dx  + 9x^2* dy/dx + 18xy  - 54 = 0

 dy/dx =   = (54 - 18xy) / (48y + 9x^2)

I have to go  I can do the second part later