lim(x→0)ln(e^x+x)⼀x

2025-05-17 10:55:23
推荐回答(1个)
回答1:

=lim(e^x²-1-xln(1+x))/ln(1+x)(e^x²-1)
=lim(e^x²-1-xln(1+x))/x*x²
=lim(2xe^x²-ln(1+x)-x/(1+x))/3x²
=lim(2e^x²+4x²e^x²-1/(1+x)-1/(x+1)²)/6x
=lim(4xe^x²+8xe^x²+8x³e^x²+1/(x+1)²+2/(x+1)³)/6
=(1+2)/6
=1/2