Math, asked by knirmalanagasai, 4 months ago

solve the D.E. (D²+1)y=sinxsin2x

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Answered by chandanapukalyani

1

general solution fir gvn eqn is y=yc+yp

y=c1 cosx+c2 sinx+x/4sinx-1/16cos3x

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