• 2022-07-24 问题

    极限问题1.lim(n^1/3.sinn^3)/(n+1)n趋于无穷2.(tanx)^sinxx趋于0正

    极限问题1.lim(n^1/3.sinn^3)/(n+1)n趋于无穷2.(tanx)^sinxx趋于0正

  • 2022-06-07 问题

    设函数f(x)=x2,0≤x<1,而,其中sinnπxdx,n=1,2,3,…,则等于(). A: B: C: D:

    设函数f(x)=x2,0≤x<1,而,其中sinnπxdx,n=1,2,3,…,则等于(). A: B: C: D:

  • 2022-06-16 问题

    当[img=45x11]17e0aa6b7b1e1d3.jpg[/img]时,下列数列极限存在的是() 未知类型:{'options': ['', ' [img=36x31]17e0aa6b8445e7b.jpg[/img]', ' [img=14x14]17e0a69c3524a5b.jpg[/img]', ' sinn'], 'type': 102}

    当[img=45x11]17e0aa6b7b1e1d3.jpg[/img]时,下列数列极限存在的是() 未知类型:{'options': ['', ' [img=36x31]17e0aa6b8445e7b.jpg[/img]', ' [img=14x14]17e0a69c3524a5b.jpg[/img]', ' sinn'], 'type': 102}

  • 2022-06-16 问题

    设函数f(x)=x2(0≤x<1),而S(x)=bnsinnπx,其中bn=2f(x)sinnπxdx(n=1,2,…),则S==() A: -(1/2) B: -(1/4) C: 1/4 D: 1/2

    设函数f(x)=x2(0≤x<1),而S(x)=bnsinnπx,其中bn=2f(x)sinnπxdx(n=1,2,…),则S==() A: -(1/2) B: -(1/4) C: 1/4 D: 1/2

  • 2022-06-06 问题

    Which of the following statements is Not true? () A: Sinn Fein is a legal political party in Northern Ireland B: Those who want to unite Northern Ireland with Britain are called Unionists C: The Social Democratic and Labor Party is a very important political party in Britain D: Those who showed their loyalty to the British Crown are called Loyalists

    Which of the following statements is Not true? () A: Sinn Fein is a legal political party in Northern Ireland B: Those who want to unite Northern Ireland with Britain are called Unionists C: The Social Democratic and Labor Party is a very important political party in Britain D: Those who showed their loyalty to the British Crown are called Loyalists

  • 2022-07-27 问题

    1. 下列关于等间距均匀点源离散直线阵远场辐射声压的描述,正确的有( )。 A: 辐射声压具有指向性 B: 指向性函数为:sinN C: 辐射声压无指向性 D: 最大响应方向为基阵的法线方向

    1. 下列关于等间距均匀点源离散直线阵远场辐射声压的描述,正确的有( )。 A: 辐射声压具有指向性 B: 指向性函数为:sinN C: 辐射声压无指向性 D: 最大响应方向为基阵的法线方向

  • 2021-04-14 问题

    函数的定义域是/ananas/latex/p/1132315: (-∞, -3)∪(-3, +∞)|(-∞, -3)∪(-3, 3)∪(3, +∞)|(-∞, -3)∪(3, +∞)|(-∞, 3)∪(3, +∞)

    函数的定义域是/ananas/latex/p/1132315: (-∞, -3)∪(-3, +∞)|(-∞, -3)∪(-3, 3)∪(3, +∞)|(-∞, -3)∪(3, +∞)|(-∞, 3)∪(3, +∞)

  • 2021-04-14 问题

    智慧职教: 按自然数的乘法按定义计算3×5. 解   由定义5知3x5=(3x4) 3 =[(3x3) 3] 3 ={[(3x2) 3] 3} 3 ={{[(3x1) 3] 3} 3} 3 ={{[(3 3) 3] 3} 3} ={[(6 3) 3] 3} =(9 3) 3 =12 3=15 上述计算是(   )的

    智慧职教: 按自然数的乘法按定义计算3×5. 解   由定义5知3x5=(3x4) 3 =[(3x3) 3] 3 ={[(3x2) 3] 3} 3 ={{[(3x1) 3] 3} 3} 3 ={{[(3 3) 3] 3} 3} ={[(6 3) 3] 3} =(9 3) 3 =12 3=15 上述计算是(   )的

  • 2021-04-14 问题

    3√3—/3√3/

    3√3—/3√3/

  • 2022-06-14 问题

    下列各项中,哪一项不是Kirsch边缘检测中构建的模板() A: [5 5 5;-3 0 -3;-3 -3 -3] B: [-3 5 5;-3 0 5;-3 -3 -3] C: [5 5 5;-3 -3 0;-3 -3 -3] D: [-3 -3 -3;-3 0 -3;5 5 5]

    下列各项中,哪一项不是Kirsch边缘检测中构建的模板() A: [5 5 5;-3 0 -3;-3 -3 -3] B: [-3 5 5;-3 0 5;-3 -3 -3] C: [5 5 5;-3 -3 0;-3 -3 -3] D: [-3 -3 -3;-3 0 -3;5 5 5]

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