- #1
agent_509
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Homework Statement
Determine the second derivative of y with respect to x when 2x2+3y2=0
Homework Equations
possible answers include:
2/(3y2)
-2/(9y3)
2/(3y3)
-2/(3y2)
-2/(3y3)
The Attempt at a Solution
I took the first derivative with respect to x implicitly and came up with
-2x/3y
I then took the second derivative, but here's where I get stuck.
I wind up with:
(-2y+2x(y'))/(3y^2)
The only possible answers have only y in them, while I see no way to get rid of x in my solution. I've done this several times and come up with the same answer each time, what am I doing wrong?