题目
利用等价无穷小的性质,求下列极限:(1)lim _(xarrow 0)dfrac (tan 3x)(2x)(2)lim _(xarrow 0)dfrac (tan 3x)(2x)(n,m为正整数)(3)lim _(xarrow 0)dfrac (tan 3x)(2x)(4)lim _(xarrow 0)dfrac (tan 3x)(2x)
利用等价无穷小的性质,求下列极限:
(1)
(2)
(n,m为正整数)
(3)
(4)
题目解答
答案
(1)
(2)
m\\1,& n=m\\\infty ,&n
(3)


(4)


1\end{matrix}\right." data-width="124" data-height="83" data-size="3818" data-format="png" style="max-width:100%">