函数[img=121x47]1803b35717bd647.png[/img]在圆环[img=120x25]1803b3571f61ab8.png[/img]内展成的洛朗级数为[img=58x25]1803b3572712606.png[/img]
A: [img=69x60]1803b3572ebe848.png[/img]
B: [img=53x60]1803b35736ceb7c.png[/img]
C: [img=85x60]1803b3573f65a5c.png[/img]
D: [img=69x60]1803b357485217e.png[/img]
A: [img=69x60]1803b3572ebe848.png[/img]
B: [img=53x60]1803b35736ceb7c.png[/img]
C: [img=85x60]1803b3573f65a5c.png[/img]
D: [img=69x60]1803b357485217e.png[/img]
举一反三
- 函数[img=121x47]1803b35717bd647.png[/img]在圆环[img=120x25]1803b3571f61ab8.png[/img]内展成的洛朗级数为[img=58x25]1803b3572712606.png[/img] 未知类型：{'options': ['', '', '', ''], 'type': 102}
- X~N(1,1), 密度函数为[img=37x25]18038fe689205b5.png[/img], 分布函数为F(x), 则（ ） A: [img=198x25]18038fe690a03ee.png[/img] B: [img=101x25]18038fe69af96aa.png[/img] C: [img=67x25]18038fe6a3b8e5b.png[/img][img=118x25]18038fe6ab93d6f.png[/img] D: F(x)=F(-x)
- 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}
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型：{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 设随机变量X的密度函数为f(x)，分布函数为F(x),f(x)关于y轴对称，则有（ ） A: [img=140x25]1803da31a560693.png[/img] B: [img=154x25]1803da31adcabd7.png[/img] C: [img=109x25]1803da31b6af422.png[/img] D: [img=149x25]1803da31bffb06d.png[/img]