函数[img=84x35]17e447ff32412e9.jpg[/img]当[img=27x12]17e441b24344115.jpg[/img]_______时是无穷大？当[img=27x12]17e441b24344115.jpg[/img]______时是无穷小？
举一反三
- 已知函数[img=69x19]17e43fc99b08f76.jpg[/img],则①当[img=27x12]17e441b24344115.jpg[/img] ____ 时,函数[img=100x33]17e446b50f26498.jpg[/img],②当[img=27x12]17e441b24344115.jpg[/img]____ 时,函数[img=75x19]17e446b519cfbaf.jpg[/img].
- 函数[img=84x35]17e0c77935dc76d.jpg[/img]当[img=27x12]17e0b8dc7d42f75.jpg[/img]_______时是无穷大？当[img=27x12]17e0b8dc7d42f75.jpg[/img]______时是无穷小？
- 当[img=27x12]17e441b24344115.jpg[/img](_____________)时，[img=100x40]17e4473579d78ba.jpg[/img]为无穷大；
- 当[img=27x12]17e441b24344115.jpg[/img](_____)时，[img=30x15]17e43a0547147c4.jpg[/img]是[img=8x11]17e435eea8987ee.jpg[/img]的等价无穷小。
- 当[img=27x12]17e441b24344115.jpg[/img](_____)时，[img=40x20]17e4360dc9fe9cb.jpg[/img]是[img=33x16]17e4360dd18fec7.jpg[/img]的同阶无穷小。