经济数学基础:lim x趋向于无穷大 [(x^2+1)/(x^3+1)]·(3+cosx)怎么算?
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lim(x的平方+1)除掉(x的三次方+1)乘上(3+cosx)x趋向于无穷大
lim(x趋向于0)(1-cosx)/x^2
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x趋向于无穷大lim(2x^3-x^2+5)/(3x^2-2x-1)
求极限lim x趋向于无穷大 (1-1/x)^x/3
lim(1+1/x^2)^x x趋向于无穷大的极限
求极限 lim(x趋向于无穷大) x{ln(2+1/x)-ln2} 要详解
lim(2x+1/2x-1)^3x x趋向于无穷大,求此极限的值.
求lim{[(2x+1)^20*(3x+5)^30]/(5x+7)^50} (x趋向于无穷大)
lim(x趋向于无穷大时)e^(1/x)