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数学
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(X平方+X)除以(X4次方—3X平方+1)当X趋于无穷大时的极限?
人气:259 ℃ 时间:2019-11-21 01:24:40
解答
(x²+x)/(x^4-3x²+1)=(x^-2+x^-3)/(1-3x^-1+x^-4)
当x趋于无穷大时,上式=0/1=0
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