当x趋近于0时x^2*(e^x)^(-2)的极限?详细解答过程

答案是正无穷,怎么求出来的?
2025-03-12 10:05:21
推荐回答(2个)
回答1:

lim(x->0)x^2*(e^x)^(-2)
=lim(x->0)x^2/e^2x
=lim(x->0)2x/2e^2x
=lim(x->0)x/e^2x
=lim(x->0)1/2e^2x
=正无穷大

回答2: