lim ln (2+x^2)/ cos(1+x^2),x趋近于0
问题描述:
lim ln (2+x^2)/ cos(1+x^2),x趋近于0
答
解:
lim(x→0)ln(2+x^2)/cos(1+x^2)
=lim(x→0)ln(2)/cos(1)
=ln2/cos1