函数f(x)=2−x+ln(x−1)f(x)=\sqrt{2 - x}+\ln(x - 1)f(x)=2−x+ln(x−1)的定义域是( ).
求 ∫0xt(t−1)dt\int_{0}^{x} \sqrt{t}(t - 1) dt∫0xt(t−1)dt 的定义域,单调区间,极值点,极值.
求不定积分∫(xsinx2+x)dx\int(x\sin\dfrac{x}{2}+\sqrt{x})dx∫(xsin2x+x)dx.
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