lim(x趋近于0)(Sinx)^2 =lim(x趋近于0)2x

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/18 13:19:52
lim(x趋近于0)(Sinx)^2=lim(x趋近于0)2xlim(x趋近于0)(Sinx)^2=lim(x趋近于0)2xlim(x趋近于0)(Sinx)^2=lim(x趋近于0)2xlim(x--

lim(x趋近于0)(Sinx)^2 =lim(x趋近于0)2x
lim(x趋近于0)(Sinx)^2 =lim(x趋近于0)2x

lim(x趋近于0)(Sinx)^2 =lim(x趋近于0)2x
lim(x-->0)(sinx)^2/2x
=lim(x->0) x^2/2x
=lim(x->0) x/2
=0
所以当x->0时,(sin)x^2是2x的低阶无穷小
极限值是相等的
均为0