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    non homogeneous general solution to d^2x/dt^2 + 2dx/dt-3x=5e^-t+sin3t

    Could anyone check my work: Question is, find the general soultion of the following DE d^2x/dt^2 + 2dx/dt-3x=5e^-t+sin3t The answer i got was = Ae^t + Be^-3t - 5/4e^-t -1/10sin 3t
  2. F

    Anyone help w/ "3tx=4(t-1)(x+1) is x(t)= 4(t-1) / (4-t)"

    Can't work out how the answer to this: 3tx=4(t-1)(x+1) is x(t)= 4(t-1) / (4-t) Thanks in advance!
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