limx趋近于0〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
问题描述:
limx趋近于0〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
答
答案是5
lim〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
=limx趋近于0(sinx^2/x-2x^2+5)/(tanx/x+4x)
=(0-0+5)/(1+0)
=5