2013-11-18
展开全部
利用泰勒公式求下列极限:
(1) lim(x->+∞)((x^3+3x^2)^(1/3)—(x^4-2x^3)^(1/4))
(2) lim(x->0)[cosx-e^(-x^2/2)]/[x^2(x+ln(1-x)]
(3) lim[(x->0)[1+x^2/2-(1+x^2)^(1/2)]/{[(cosx-e^(x^2))]sinx^2}
望采纳
(1) lim(x->+∞)((x^3+3x^2)^(1/3)—(x^4-2x^3)^(1/4))
(2) lim(x->0)[cosx-e^(-x^2/2)]/[x^2(x+ln(1-x)]
(3) lim[(x->0)[1+x^2/2-(1+x^2)^(1/2)]/{[(cosx-e^(x^2))]sinx^2}
望采纳
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