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zfleenor Group TitleBest ResponseYou've already chosen the best response.0
\[(dy/dx) = (y  4)^{2}\]
 one year ago

zfleenor Group TitleBest ResponseYou've already chosen the best response.0
The problem can be written in the form x + f(y) = C
 one year ago

heydayana Group TitleBest ResponseYou've already chosen the best response.0
1/3 (y4)^3 + C
 one year ago

heydayana Group TitleBest ResponseYou've already chosen the best response.0
you're solving for the integral right?
 one year ago

zfleenor Group TitleBest ResponseYou've already chosen the best response.0
i have to find f(y)
 one year ago

zfleenor Group TitleBest ResponseYou've already chosen the best response.0
like in the form x + f(y) = C
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.0
Try separating variables:\[\frac{ dy }{ dx }=(y4)^2 \rightarrow \frac{ dy }{ (y4)^2 }=dx \]\[\int\limits_{}^{}\frac{ dy }{ (y4)^2 }=\int\limits_{}^{}dx +C\]\[\frac{ 1}{ y4 }=x+C\]Solve for y:\[\frac{ 1 }{ y4 }=Cx\]\[y4=\frac{ 1 }{ Cx }\]\[y=\frac{ 1 }{ Cx }+4\]Where C is a real constant.
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.0
If you really want to rewrite it as \[x+f(y)=C\]in my calculation above, just before "solve for y" you could also write it as:\[x+\frac{ 1 }{ y4 }=C\]This means:\[f(y)=\frac{ 1 }{ y4 }\] In my view this is not an answer yet, because it is possible to get y as function of x, as you can see in the end of my calculation.
 one year ago

jishan Group TitleBest ResponseYou've already chosen the best response.0
good zeh.........
 one year ago
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