Saturday

December 20, 2014

December 20, 2014

Posted by **Fredrick E.** on Tuesday, November 1, 2011 at 2:35pm.

I know that you have to find the derivative when it equals -1

i got

y'=(2x*y^2-y)/(2x^2*y+x)

(i don't know if it is correct or not)

but i don't know how to go from here. any help would be good

Thanks

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