=____________.

admin2021-07-15  13

问题 =____________.

选项

答案2(ln2-1)

解析
=2∫12lnxdx
=2xlnx|12-2∫12dx=2(2ln2-1)
转载请注明原文地址:https://kaotiyun.com/show/umy4777K
0

最新回复(0)