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Mathematics 15 Online
OpenStudy (anonymous):

Check: second derivative for : x-y=(x+y)^2

OpenStudy (anonymous):

\[\frac{ -4 }{ (2x+2y+1)^2 }\]

OpenStudy (anonymous):

not sure if this is correct

OpenStudy (anonymous):

did you differentiate implicity

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

i did this a few weeks ago don't really remember i know we take the y and make a y prime

OpenStudy (anonymous):

the first dirivative would be y'=2(x+y)y' right \

OpenStudy (anonymous):

uhm is it -1?

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