作者ptt789789 (昵称很难想>"<)
看板NTU-Exam
标题[试题] 96下 黄汉水 微积分甲下 期中考
时间Tue Apr 29 23:26:37 2008
课程名称︰微积分甲下
课程性质︰系定必修
课程教师︰黄汉水
开课学院:生机、生工、地质、工管
开课系所︰数学系
考试日期(年月日)︰2008/04/28
考试时限(分钟):170分钟
是否需发放奖励金:是
(如未明确表示,则不予发放)
试题 :
一 Find the following intergrals︰ (45%)
4 3x^3-8x^2+7x+2 π/6 1
(1) ∫ ───────── dx (2) ∫ ──────── dx
2 (x^2-1)×(x-1)^2 0 1 + cosx - sinx
√5 _________ ㏑2 1
(3) ∫ (x+1)/√(x^2-1)^3 dx (4) ∫ ─────── dx
√2 0 e^2x + e^-2x
5 3 ___
(5) ∫ (x+1)/√x+4 dx
0
二 Classify the following series as absolutely convergent, conditionally
convergent, or divergent︰ (15%)
+∞ 3 +∞ -1
(1) Σ [(-1)^(n+1)]× ── (2) Σ n×(─)^n
n=1 √n n=1 3
三 Find the radius of convergence and the interval of convergence of
the following power series︰ (15%)
+∞ 1 +∞ x
(1) Σ ──×(x-1)^n (2) Σ (n+1)×(─)^n
n=1 n^3 n=1 2
四 Let r be the radius of convergence of the power series (15%)
+∞ (-1)^(n+1) 1 -1 1 -1
Σ ─────×x^(n+1) = ─ x^2 + ─ x^3 + ─ x^4 + ─ x^5 + ...
n=1 n 1 2 3 4
(-1)^(n+1)
+ ─────×x^n + ...
n
(1) Find r
+∞ (-1)^(n+1)
(2) Let g(x) = Σ ─────×x^(n+1) for any │x│< r
n
Find the function g(x) and the values g(0.5), g`(0.1).
(8) (11) (14)
五 Let h(x) = (x^2)×[cos(3x)]. Find the values h (0), h (0), h (0). (10%)
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