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∫e-3x(cosx – 3sinx)dx is equal to |
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Answer» ∫e-3x(cosx – 3sinx) dx ∫ e-3x (-3sinx + cosx) f(x) = sinx,f'(x) = cosx ∫e-3x(-3sinx + cosx) = e-3xsinx + C |
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