由[img=35x25]1803d355c182eb9.png[/img]上连续曲线y = f(x)及直线x =a,x= b(a A: [img=83x52]1803d355cabd312.png[/img]
B: [img=95x53]1803d355d361a34.png[/img]
C: [img=91x52]1803d355dc59dde.png[/img]
D: [img=149x45]1803d355e4a0041.png[/img]
B: [img=95x53]1803d355d361a34.png[/img]
C: [img=91x52]1803d355dc59dde.png[/img]
D: [img=149x45]1803d355e4a0041.png[/img]
举一反三
- 设函数[img=34x25]18034337215bc1a.png[/img]在闭区间[a，b]上连续，则曲线y= f(x)与直线x=a和x=b所围成的平面图形的面积等于 A: [img=83x52]180343372a85d54.png[/img] B: [img=95x52]18034337336384b.png[/img] C: [img=99x52]180343373bd41b8.png[/img] D: [img=93x52]18034337443572c.png[/img]
- 设曲线y=y(x)满足xdy+(x-2y)dx=0，且y=y(x)与直线x=1及x轴所围成的平面图形绕x轴旋转的旋转体积最小，则y(x)= A: [img=61x43]1802fb22da22c02.png[/img] B: [img=61x43]1802fb22e260f78.png[/img] C: [img=55x43]1802fb22eb6f8a2.png[/img] D: [img=55x43]1802fb22f43897e.png[/img]
- 下列函数中为同一个函数的是() 未知类型：{'options': ['f(x)=x,g(x)=[img=25x39]17e43f7e294a229.png[/img]', ' f(x)=x,g(x)=[img=39x24]17e43f7e31cdea3.jpg[/img]', ' f(x)=x,g(x)=[img=35x25]17e43f7e3c419e9.png[/img]', ' f(x)=|x|,g(x)=[img=35x25]17e43f7e3c419e9.png[/img]'], 'type': 102}
- 对于连续函数f(x)，x∈[a,b]，常用的范数有：[img=58x26]180321abd2f6680.png[/img]＝( ) A: [img=91x52]180321abdb097c0.png[/img] B: [img=82x36]180321abe410fb9.png[/img] C: [img=83x52]180321abecac7c8.png[/img] D: [img=117x52]180321abf87b07e.png[/img]
- 对于连续函数f(x)，x∈[a,b]，常用的范数有：[img=60x25]180321abf3b42e6.png[/img]＝( ) A: [img=91x52]180321abfc6442d.png[/img] B: [img=82x36]180321ac052452e.png[/img] C: [img=83x52]180321ac0d5a6b2.png[/img] D: [img=117x52]180321ac177edb3.png[/img]