lim x趋向于0 sin(x^2)/x,lim x趋向于0 (sin(x^2))^2/x^2 这两个怎么处理啊?在线等

问题描述:

lim x趋向于0 sin(x^2)/x,lim x趋向于0 (sin(x^2))^2/x^2 这两个怎么处理啊?在线等

会用特殊极限lim(sinx/x)=1吗?
limsin(x^2)/x=limx(sinx^2/x^2)=0*1=0
lim (sin(x^2))^2/x^2=limx^2[(sin(x^2)/x^2)^2=0*1=0