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标题[转录][试题] 94下 黄汉水 微积分乙
时间Sat Jun 7 19:09:00 2008
※ [本文转录自 NTU-Exam 看板]
作者: freddyeoh ( ) 看板: NTU-Exam
标题: [试题] 94下 黄汉水 微积分乙
时间: Thu Jun 22 17:18:03 2006
课程名称︰微积分乙
课程性质︰系定必修
课程教师︰黄汉水
开课系所︰管院的系
考试时间︰6/22
是否需发放奖励金:是
(如未明确表示,则不予发放)
试题 :
1.Find the equation of the tagent plane to the surface
xy^2 + 3xz - 2yz + 33 = 0 at the point (-1,2,3) (20%)
2.Let D = {(x,y,z) | x^2 + y^2 + z^2 = 50} and the temperature at
the point (x,y,z) on the D is T(x,y,z) = 6xy + 8yz
Find the highest and the lowest temperatures. (20%)
2 4
3.Find the integral ∫ ∫ x[(y^2+9)]^1/2 dydx (20%)
0 x^2
4.Let D = {(x,y) | (x - 3)^2 + y^2 ≦ 9 , y ≧ 0} be a thin plate.
Suppose the density at the point (x,y) is den(x,y)=(x^2 + y^2)^1/2
Find the mass of D. (20%)
5.Let D ={(x,y,z) | x^2 + y^2 +z^2 ≦ 25 , z ≧ 0}.
Find the integral ∫∫∫(x^2 + y^2 + z^2)^1/3 dxdydz (20%)
D
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