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1249) The solution of some second order linear DEQ is exp(-1x)[5sin(3x)+ 2cos(3x)] which can also be...

1249) The solution of some second order linear DEQ is exp(-1x)[5sin(3x)+ 2cos(3x)] which can also be expressed as A*exp(-D*x)*sin(F*x+G). Determine A,D,F, and G (degrees). ans:4

1252) y=(C1)exp(Ax)+(C2)exp(Bx)+F+Gx is the general solution of the second order linear differential equation: (y'') + ( -8y') + ( -9y) = ( -8) + (  3)x.  Find A,B,F,G, where A>B.  This exercise may show "+ (-#)" which should be enterered into the calculator as "-#", and not "+-#".     ans:4

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