优优班--学霸训练营 > 知识点挑题
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            • 1.

              已知\(f(x)\)为偶函数且\(\int_{0}^{6}{f(x)dx=8}\),则\(\int_{-6}^{6}{f(x)dx=}\)                  \((\)   \()\)

              A.\(0\)
              B.\(4\)
              C.\(16\)
              D.\(64\)
            • 2.

              \(\int_{0}^{1}{\left( e^{x}{+}2x \right)dx}\)等于 \((\)     \()\)

              A.\(1\)
              B.\(e{-}1\)
              C.\(e\)
              D.\(e{+}1\)
            • 3.
              若\( \int _{ 1 }^{ a }(2x+ \dfrac {1}{x})dx=3+\ln 2\),则\(a\)的值是\((\)  \()\)
              A.\(-2\)
              B.\(4\)
              C.\(-2\)或\(2\)
              D.\(2\)
            • 4.

              若\(f(x)={{x}^{2}}+2\int_{0}^{1}{f(x)dx}\),则\(\int_{0}^{1}{f(x)}dx= (\)   \()\)

              A.\(-1\)
              B.\(-\dfrac{1}{3}\)
              C.\(\dfrac{1}{3}\)
              D.\(1\)
            • 5.

              \(\int_{2}^{3}{\sqrt{1-{{(x-3)}^{2}}}}dx =\)            

            • 6. 已知作用于某一质点的力F(x)=
              x2,0≤x≤1
              x+1,1<x≤2
              (单位:N),试求力F(x)从x=0处运动到x=2处(单位:m)所做的功.
            • 7. 由曲线f(x)=ex与直线y=1,x=1所围成的图形面积是(  )
              A.e
              B.e-1
              C.e-2
              D.e+1
            • 8.
              1
              -1
              (sinx+
              1-x2
              )dx
              =    
            • 9.m=
              1
              0
              exdx,n=
              e
              1
              1
              x
              dx
              ,则m与n的大小关系为    
            • 10.
              a
              0
              x2dx
              =9,则a=    
            0/40

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