![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[主观题]
当x→0时,(1-cosx)In(1+x2)是比xsinxn高阶的无穷小量,而xsinxn是比高阶的无穷小量,则正
当x→0时,(1-cosx)In(1+x2)是比xsinxn高阶的无穷小量,而xsinxn是比高阶的无穷小量,则正
当x→0时,(1-cosx)In(1+x2)是比xsinxn高阶的无穷小量,而xsinxn是比高阶的无穷小量,则正整数n等于().
A.1
B.2
C.3
D.4
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)