指出下列函数中当[img=58x21]18034453d30961c.png[/img]时( )为无穷大量.
A: [img=58x23]18034453db8262d.png[/img]
B: [img=67x45]18034453e38d823.png[/img]
C: [img=26x21]18034453ec14c8e.png[/img]
D: [img=15x25]18034453f41711b.png[/img]
A: [img=58x23]18034453db8262d.png[/img]
B: [img=67x45]18034453e38d823.png[/img]
C: [img=26x21]18034453ec14c8e.png[/img]
D: [img=15x25]18034453f41711b.png[/img]
举一反三
- 指出下列函数中当[img=58x21]180349d9d73d297.png[/img]时( )为无穷大量. A: [img=15x25]180349d9dfea2e1.png[/img] B: [img=58x23]180349d9e8825ed.png[/img] C: [img=67x45]180349d9f07b470.png[/img] D: [img=26x21]180349d9f890b08.png[/img]
- A: [img=58x23]1803b5fec9568f0.png[/img] B: [img=67x45]1803b5fed16321c.png[/img] C: [img=26x21]1803b5fed93d011.png[/img] D: [img=15x25]1803b5fee0df9f3.png[/img]
- 已知当x[img=14x9]17e0a73094b5dcf.jpg[/img]0时,函数f(x)是无穷大量,下列函数当x[img=14x9]17e0a73094b5dcf.jpg[/img]0时一定是无穷小量的是() 未知类型:{'options': ['xf(x)', ' x+f(x)', ' [img=32x35]17e0bc6430e7496.jpg[/img]', ' [img=57x33]17e0bc643c0e2f1.jpg[/img]'], 'type': 102}
- 已知当x[img=14x9]17e43671c384a5b.jpg[/img]0时,函数f(x)是无穷大量,下列函数当x[img=14x9]17e43671c384a5b.jpg[/img]0时一定是无穷小量的是() 未知类型:{'options': ['xf(x)', ' x+f(x)', ' [img=32x35]17e44168782bc7d.jpg[/img]', ' [img=57x33]17e44168825460c.jpg[/img]'], '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)