Mathematics · Differential Equations
Which of the following is the general solution of y'' + y = x4 + x2?
- 1y(x) = c1 cos x + c2 sin x + x4 - 11x2 + 22
- 2y(x) = c1 cos x + c2 sin x + x4 - 11x2 + 24✓
- 3y(x) = c1 ex + c2 e-x - x4 - 11x2 - 24
- 4y(x) = c1 ex + c2 e-x + x4 - 11x2 - 22
Correct answer
y(x) = c1 cos x + c2 sin x + x4 - 11x2 + 24
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