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不定積分(6)
選択肢
(1) | \(\frac{2 \left(x + 1\right) \left(\log{\left(x \right)} - \log{\left(x + 1 \right)}\right) - 1}{x + 1} + C\) | (2) | \(\left(x^{2} - 2 x + 2\right) e^{x} + C\) |
(3) | \(- x^{3} \cos{\left(x \right)} + 3 x^{2} \sin{\left(x \right)} + 6 x \cos{\left(x \right)} - 6 \sin{\left(x \right)} + C\) | (4) | \(\frac{\sin{\left(x \right)}}{\cos{\left(x \right)}} + \frac{1}{2 \cos^{2}{\left(x \right)}} + C\) |
(5) | \(\frac{x^{\frac{3}{2}} + x \sqrt{x + 2} + 2 \sqrt{x + 2}}{3} + C\) | (6) | \(\frac{1}{\cos^{2}{\left(x \right)}} + C\) |
(7) | \(\frac{e^{x} \log{\left(e^{x} + 1 \right)} + \log{\left(e^{x} + 1 \right)} + 1}{e^{x} + 1} + C\) | (8) | \(\frac{\sin{\left(x \right)} + \cos{\left(x \right)}}{\cos^{3}{\left(x \right)}} + C\) |
(9) | \(\frac{3 x^{2} + 1}{x \left(x^{2} + 1\right)} + C\) |