2y^3 - 3xy = 4

Question

1) Find dy/dx
2) Write an equation for the line tangent to the curve at (1,2)
3) Find d^2y/dx^2 at (1,2)

Answer 1

I answered this already, in considerable detail. If you have changed your screen name from "Karen" and resubmitted the same question, look elsewhere. If not, review my answer at
http://www.jiskha.com/display.cgi?id=1229810620
and show your work.

Answer 2

o yeah, sry, i was accidentally on my sister's thing when i asked first