设当X趋近0 时,ax^2 与 tan(x^2/4)为等价无穷小,求a

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 20:19:04
设当X趋近0时,ax^2与tan(x^2/4)为等价无穷小,求a设当X趋近0时,ax^2与tan(x^2/4)为等价无穷小,求a设当X趋近0时,ax^2与tan(x^2/4)为等价无穷小,求a因为当x

设当X趋近0 时,ax^2 与 tan(x^2/4)为等价无穷小,求a
设当X趋近0 时,ax^2 与 tan(x^2/4)为等价无穷小,求a

设当X趋近0 时,ax^2 与 tan(x^2/4)为等价无穷小,求a
因为当x趋向于0时,tanx~x
所以tan(x^2/4)~x^2/4
因为ax^2 与 tan(x^2/4)为等价无穷小
所以x^2/4=ax^2
即a=1/4