limx趋向于无穷(2xsin(2/x))的极限计算步骤
问题描述:
limx趋向于无穷(2xsin(2/x))的极限计算步骤
答
limx→∞(2xsin(2/x))=limx→∞(sin2/x)/(1/2x) =limx→∞(2/x)/(1/2x)=4
limx趋向于无穷(2xsin(2/x))的极限计算步骤
limx→∞(2xsin(2/x))=limx→∞(sin2/x)/(1/2x) =limx→∞(2/x)/(1/2x)=4