Question

数学上有点疑惑?求lim x趋向0 ln(1+x)/x原式=lim x趋向0 ln(1+x)的1/x次方=.这一步它是怎

Answer 1

alnb=lnb^a

所以ln(1+x)/x

=1/x*ln(1+x)

=ln[(1+x)^(1/x)]