精華區beta NTU-Exam 關於我們 聯絡資訊
課程名稱︰微積分甲上 課程性質︰系定必修 課程教師︰黃漢水 開課學院:生機、生工、地質、工管 開課系所︰數學系 考試日期(年月日)︰2007/1/15 考試時限(分鐘):170分鐘 是否需發放獎勵金:是 (如未明確表示,則不予發放) 試題 : 一 Find the following integrals︰(30%) 1 π/4 (1)∫(3x+1)^9 dx (2)∫[sin(2x)]^3 dx 0 0 2 3 _______ e (3)∫[t/√14t^2+8]dt (4)∫[(㏑x)^2/x]dx 0 1 二 Let D be the region bounded bt the curve y=1/x^2 and the lines x=1,y=1/9 (1)Find the area of the region D (7%) (2)Find the centroid of D (10%) (3)Find the volume of the solid generated bt revolvingthe region D about the line x=1 (8%) 三 (1)Sketch the graph of the function f(x)=x-㏑x (10%) (2)Prove the ㏑x<x for any x>0 (5%) 四 Let n be a positive integer and ∫[x^n*(1-x)^2]dx=F(x)+c (15%) (1)Prove that ∫[x^2*(1-x)^n]dx=-F(1-x)+c 1 (1)Find the integral ∫[x^2*(1-x)^n]dx 0 五 (1)Find a real number k such that _____ _____ _____ ∫[√x^2-1/x^2]dx=㏑︱x+√x^2-1︱+(k√x^2-1/x)+c (10%) √5 ____ (2)Find the integral ∫[√x^-1/x^2]dx (5%) 1 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.112.7.59