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dy/dx+P(x)y=Q(x)ynn=0 or n=1Substituting v=y1−n transforms the above equation into the linear equation(dv)/dx+(1−n)P(x)v=(1−n)Q(x)(dv)/dx+P(x)y=Q(x)y(x)=e(∫P(x)dx)[∫(Q(x)e(∫P(x)dx))dx+C]The differential equation is,xy′=6y+12x4y(2/3)The above equation can be written as followsy′−6/xy=12x3y(2/3)Substituting v=y1−2/3 or y 1/3 transforms the above Bernoulli equation into the linear equation(dv)/dx−2/xv=4x3v(x)=e(−∫(2/x)dx)[∫(4x3e(∫(−2/x)dx))dx+C′]=e(2lnx)[∫(4x3x−2lnx)dx+C′]=x2[4x2/x+C′]v(x)=2x4+Cx2y1/3=2x4+Cx2y(x)=(2x4+Cx2)3where C is constant
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Solve differential equation y′+ycosx=sinxcosx
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