-e^(-lnx)等于?
问题描述:
-e^(-lnx)等于?
答
答:
-e^(-lnx)
=-1/e^(lnx)
=-1/x
-e^(-lnx)等于?
答:
-e^(-lnx)
=-1/e^(lnx)
=-1/x