Posted by Sanya on Monday, November 5, 2012 at 10:54pm.
I need to find the second derivative for this:
2x^23y^2=4
I understand all the steps but for some reason I get the wrong numerator. I get
(6y^4x^2)/9y^3
The answer is 8/9y^3

AP Calc  Steve, Tuesday, November 6, 2012 at 10:35am
The original equation says that 4x^26y^2=8. So, your answer is correct, but unsimplified.