limx→0(1-2e^1⼀x)⼀(1+e^1⼀x)的左右极限,求详细d过程

2025-05-20 11:14:18
推荐回答(1个)
回答1:

通分
=lim(e^x-1-x)/x(e^x-1)
=lim(e^x-1)/(e^x-1+x*e^x)
还是0/0
=lim(e^x)/(e^x+e^x+x*e^x)
=lim1/(2+x)
=1/2