共50条信息
若\(\int_{0}^{a}{2dx=2}\),则\(a=\)____.
计算\(\int{\begin{matrix} & 2\pi \\ & 0 \\ \end{matrix}}|\sin x|dx=\)_______________.
已知\(n=\int_{_{0}}^{^{2}}x^{3}dx\),则\(\left( \left. x- \dfrac{2}{ \sqrt[3]{x}} \right. \right)^{n} \)的展开式中常数项为________.
曲线\(y=x^{3}\)与\(y=\sqrt{x}\)所围成的封闭图形的面积为________.
\(∫_{−1}^{1}( \sqrt{1−{x}^{2}}+\sin x)dx =\)_________.
.\(∫_{0}^{1} (e\)\({\,\!}^{x}+x\)\()d\)\(x=\)_______ .
若\(\int_{1}^{a}{\dfrac{1}{x}}dx=\ln 2,a > 1\),则\({{\left( x+\dfrac{1}{x} \right)}^{6}}\)的展开式中含\({{x}^{a}}\)的系数是________.
\(\int_{1}^{2}{(x+\dfrac{1}{x})}dx=\)________.
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