Solve the given differential equation. (The form of yp is given.)D2y - y = x2 + 2 (Let yp = Ax2 + Bx + C.)
A. c1ex + c2e-x - x2 + 4
B. c1ex + c2e-x + x2 - 4
C. c1ex + c2xe-x - x2 - 4
D. c1ex + c2e-x - x2 - 4
Answer: D
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