limx趋近于0〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
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limx趋近于0〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
limx趋近于0〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
limx趋近于0〔(sinx^2-2x^3+5x)/(tanx+4x^2)〕
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
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