Solve the given differential equation. (The form of yp is given.)D2y + 7Dy + 12y = 2x (Let yp = A + Bx.)

A. y = c1e-3x + c2e-4x +  - x
B. y = c1e-3x + c2e-4x -  + x
C. y = c1e3x + c2e4x -  + x
D. y = c1e-3x + c2e-4x + x

Answer: B

Mathematics

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