求含[tex=4.071x0.929]Q+6L7QKfIDC5NUHfvp3x/rRvDHw1nxA49+VRPg/zbfk=[/tex]或[tex=3.429x0.929]79Wd/JsaQKi3RBB3vwr83wLczPJSH74K/T/DZDU84iw=[/tex]的函数，当[tex=3.143x0.786]Ymk5VRezLzXcu5doOYRPmZHnRdrgX/suMlgTR2G+UMU=[/tex]时的极限求下列极限：[tex=1.5x1.786]Wh0BbcsxbdPTUak0FdVk/V9qTWQQ85wTyQo/Z2joIvE=[/tex][tex=3.786x2.357]g5WGOE8HYNl9wIT93lx81RgipXv52lHPWrdOhkzJY+o=[/tex]
举一反三
- 求下列极限：（5）[tex=7.143x1.929]Wh0BbcsxbdPTUak0FdVk/bBy+E8X0RNfj9H68QfK6Wsok6mpnsW+DfahIhZ93AXpXmgeH/Ye5leSX18ofvgjVg==[/tex]
- 若:(1)函数 f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数;(2)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]有导数;(3)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数及函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数,则函数[tex=5.643x1.357]GmtX7Vop79exGU/rpqXUYw==[/tex]在已知点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]的可微性怎样?
- 求下列函数的导函数：(1) [tex=5.0x2.357]X/CieCDGJ7iPQ3YFWuscHxHrcIE/dPFa9tFyiJXze8A=[/tex](2)[tex=6.643x1.714]Oj74y/L+OxY81QME5JWMcl+7PZ2FGQswwvjgVhjq1Dmb6dBU0oAjZBW7eFBVjqo6[/tex]
- 求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex]（抛物线）隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?
- 对于以下两种情形:(1)x为自变量,(2)x为中间变量,求函数[tex=2.214x1.214]sy9gaFRMGlrH59gm9bWSDg==[/tex]的[tex=1.5x1.429]5W5tOYbJ+LlsRP2dMsi4byxwtjvvL/3u7NEzPV5PWp0=[/tex]