答:
lim(x→0) x^x
=lim(x→0) e^[ ln(x^x)]
=lim(x→0) e^(xlnx)
=lim(x→0) e^ [ lnx /(1/x) ] 指数是无穷型可以应用洛必达发展
=lim(x→0) e^ [ (1/x) /(-1/x^2) ]
=lim(x→0) e^ (-x)
=e^0
=1
答:
lim(x→0) x^x
=lim(x→0) e^[ ln(x^x)]
=lim(x→0) e^(xlnx)
=lim(x→0) e^ [ lnx /(1/x) ] 指数是无穷型可以应用洛必达发展
=lim(x→0) e^ [ (1/x) /(-1/x^2) ]
=lim(x→0) e^ (-x)
=e^0
=1