Question #292767

separate the differential equation into variables

(x2-1)y,+2xy2=0


1
Expert's answer
2022-02-01T17:27:32-0500

(x21)y+2xy2=0(x21)dy+2xy2dx=0(x21)dy=2xy2dxdyy2=2xdxx21dyy2=2xdxx211y=lnx21C1y=lnx21+C(x^2 -1)y'+2xy^2=0\\ (x^2 -1)dy+2xy^2dx=0\\ (x^2 -1)dy=-2xy^2dx\\ \frac{dy}{y^2}=\frac{-2xdx}{x^2-1}\\ \int\frac{dy}{y^2}=\int\frac{-2xdx}{x^2-1}\\ -\frac{1}{y}=-\ln|x^2-1|-C\\ \frac{1}{y}=\ln|x^2-1|+C\\


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