作者aimitsuki (我也想要皇冠)
看板NTU-Exam
标题[试题] 97下 刘琼如 微积分乙下 第五次小考
时间Tue May 26 22:08:38 2009
课程名称︰微积分乙下
课程性质︰系必修
课程教师︰刘琼如
开课学院:
开课系所︰生科 农化 公卫 职治 牙医 药学 物治 医检
考试日期(年月日)︰98年5月21日
考试时限(分钟):20分钟
是否需发放奖励金:是
(如未明确表示,则不予发放)
试题 :
Show all your work to get credits.
1 2
(1)Find the solution of the differential equation y'= ─( y -1) that
2
satisfies the initial condition y(0)=2.
(2)Suppose that a population develops according to the logistic equation
dP 2
─ = 0.02P-0.0002P ,
dt
where t is measured in weeks.
(a)What is the carrying capacity? What are the equilibrium solutions?
(b)Find the general solutions?
(3)Solve the linear equation
x
y'+2y=2e .
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