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微分(3)
選択肢
(1) | \(\frac{5 - 2 x}{\left(x^{2} - 5 x + 1\right)^{2}}\) | (2) | \(2 x \left(2 x - 3\right)^{2} \cdot \left(5 x - 3\right)\) | (3) | \(- \frac{x^{2}}{\left(x^{2} + 1\right)^{2}} + \frac{1}{2 \left(x^{2} + 1\right)}\) |
(4) | \(\frac{5 \sqrt{x^{5}}}{2 x}\) | (5) | \(- \frac{x}{\left(x^{2} + 1\right)^{2}}\) | (6) | \(16 \left(2 x - 3\right)^{7}\) |
(7) | \(- \frac{\left(x - 1\right) \left(x + 1\right)}{\left(x^{2} - 5 x + 1\right)^{2}}\) | (8) | \(\frac{- 4 x - 1}{2 \left(2 x^{2} + x + 1\right)^{\frac{3}{2}}}\) |