limx→0(2^x-1/3^x-1)

问题描述:

limx→0(2^x-1/3^x-1)
帮帮忙-0-

limx→0(2^x-1/3^x-1)
=limx→0(2^x-1)’/(3^x-1)’
=limx→0(2^xln2/3^xln3)
=ln2/ln3