[试题] 102下 张志中 微积分乙下 第一次考试

楼主: moris0528 (moris)   2014-04-12 02:00:24
课程名称︰微积分乙下
课程性质︰必修
课程教师︰张志中
开课学院:理学院
开课系所︰数学系
考试日期(年月日)︰2014.03.25
考试时限(分钟):10:30~12:25 (115分钟)
是否需发放奖励金:是
(如未明确表示,则不予发放)
试题 :
1. (10%)
∞ n
Suppose that Σ a (-3) is convergent. Determine the convergence/divergence
n=1 n
of the following two series. Explain carefully and give examples if necessary.
∞ n
(a) Σ a 2
n=1 n
∞ n
(b) Σ a 3
n=1 n
2. (15%)
-1
(a) Derive a power series representation for tan x centered at 0.
(Find the general term and the radius of convergence R)
-1 2 3
(ln(1+x))(tan x)-x + 1/2 x
(b) Evaluate

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