lim(x→0+)x^1/2×cotx^1/2求该函数极限
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lim(x→0+)x^1/2×cotx^1/2求该函数极限lim(x→0+)x^1/2×cotx^1/2求该函数极限lim(x→0+)x^1/2×cotx^1/2求该函数极限
lim(x→0+)x^1/2×cotx^1/2求该函数极限
lim(x→0+)x^1/2×cotx^1/2求该函数极限
lim(x→0+)x^1/2×cotx^1/2求该函数极限
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lim(x→0+)x^1/2×cotx^1/2求该函数极限
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关于lim[x->0,cotx(1/sinx-1/x)中使用无穷小替换的问题lim[x->0,cotx(1/sinx-1/x)=lim[x->0,(cotx/sinx-cotx/x)=lim[x->0,1/sinxtanx]-lim[x->0,1/xtanx](用无穷小替换)=lim[x->0,1/x^2]-lim[x->0,1/x^2]=lim[x->0,1/x^2-1/x^2]=lim[x->0,0]=0 这
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