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limx→∞ 2x³-x +1
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limx→∞ 2x³-x +1=limx→∞ x³×(2-1/x²+1/x³)=limx→∞ x³×2=+∞
咨询记录 · 回答于2022-09-28
limx→∞ 2x³-x +1
+∞
limx→∞ 2x³-x +1=limx→∞ x³×(2-1/x²+1/x³)=limx→∞ x³×2=+∞
limx→∞ 2x³-x +1=limx→∞ x³×(2-1/x²+1/x³)=limx→∞ x³×2=+∞