Posted by **Derick** on Sunday, December 21, 2008 at 6:05pm.

2y^3 - 3xy = 4

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)

- Calculus -
**drwls**, Sunday, December 21, 2008 at 8:26pm
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.

- Calculus -
**Derick**, Sunday, December 21, 2008 at 11:32pm
o yeah, sry, i was accidentally on my sister's thing when i asked first

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