求极限 三角函数有理化分为分子有理化和分母有理化两种在什么情况下使用哪一个?如:lim x趋向于a (sinx-sina)/(x-a) 怎么解?lim x趋向于无穷 [(x+1)/x]^(2x+1)=(1+1/x)^(2x+1) 2x+1应该怎么分呢?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 17:16:48
![求极限 三角函数有理化分为分子有理化和分母有理化两种在什么情况下使用哪一个?如:lim x趋向于a (sinx-sina)/(x-a) 怎么解?lim x趋向于无穷 [(x+1)/x]^(2x+1)=(1+1/x)^(2x+1) 2x+1应该怎么分呢?](/uploads/image/z/6075839-47-9.jpg?t=%E6%B1%82%E6%9E%81%E9%99%90++%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E6%9C%89%E7%90%86%E5%8C%96%E5%88%86%E4%B8%BA%E5%88%86%E5%AD%90%E6%9C%89%E7%90%86%E5%8C%96%E5%92%8C%E5%88%86%E6%AF%8D%E6%9C%89%E7%90%86%E5%8C%96%E4%B8%A4%E7%A7%8D%E5%9C%A8%E4%BB%80%E4%B9%88%E6%83%85%E5%86%B5%E4%B8%8B%E4%BD%BF%E7%94%A8%E5%93%AA%E4%B8%80%E4%B8%AA%3F%E5%A6%82%3Alim+x%E8%B6%8B%E5%90%91%E4%BA%8Ea++%EF%BC%88sinx-sina%EF%BC%89%2F%EF%BC%88x-a%EF%BC%89+%E6%80%8E%E4%B9%88%E8%A7%A3%3Flim+x%E8%B6%8B%E5%90%91%E4%BA%8E%E6%97%A0%E7%A9%B7+%5B%EF%BC%88x%2B1%29%2Fx%5D%5E%282x%2B1%29%3D%EF%BC%881%2B1%2Fx%29%5E%282x%2B1%29+++2x%2B1%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E5%88%86%E5%91%A2%3F)
xUOP*]p%n Dts?,ibL@
ELaq
fv
bxs=|Am|664Cz,~uLr C:VHDHiAQ\¹}T3qғ~iCG~8fx)f%TMwu'&^X J/q$53N")H /ѝ"[W3q5T`rodJ}z֭[K,=tZb^fSvF渑-\owa%pJP$f'+ۅFt܋EY\σ4h V!]kQHX16