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limx→∞ (x^2-x+1)(3-sinx)/x^3+2
人气:420 ℃ 时间:2020-06-03 08:34:45
解答
lim (x^2-x+1)(3-sinx)/(x^3+2)
= lim (1-1/x+1/x^2)(3-sinx)/(x+2/x^2) = 0
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