共50条信息
\(\int_{1}^{e}{\left( 2x+\dfrac{1}{x} \right)}dx\)等于\((\) \()\)
已知函数\(f(x)=\begin{cases}{x}^{2} (x\leqslant 0) \\ \sqrt{4-{x}^{2}}(x > 0)\end{cases} \),则\(∫_{-1}^{2}f(x)dx= (\) \()\)
已知复数\(z=a+(a-2)i(a\in R,i\)为虚数单位\()\)为实数,则\(\int_{\ 0}^{\ a}{(\sqrt{4-{{x}^{2}}}}+x)dx\)的值为( )
\(∫_{-1}^{1}({\sin }^{3}x+ \sqrt{1-{x}^{2}})dx =\)__________.
在\(( \sqrt{x}+ \dfrac{a}{x}{)}^{6}(a > 0) \)的展开式中含常数项的系数是\(60\),则\(∫_{0}^{a}{x}^{2}dx \)的值为_______
计算题
\((1)\)如图,由函数\(f(x)={e}^{x}-e \)的图象,求直线\(x=2 \)及\(x\)轴所围成的阴影部分的面积
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