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︰系內必帶 課程教師︰陳宏 開課學院:工學院 開課系所︰土木工程學系 考試日期(年月日)︰2009/10/27 考試時限(分鐘):50min 是否需發放獎勵金:是,謝謝 (如未明確表示,則不予發放) 試題 : Make sure to give sufficient reason in each problem or you will NOT get any credit for your answer. 1. (20 points) Let L(x)=sin((x+2)^(3/4))-sin(x^(3/4)) Evaluate the limit of L(x) as x goes to infinity. Solution: Refer to Q4 of 95 midterm. http://www.math.ntu.edu.tw/~mathcal/download/exam/951cala1_midso1.pdf 2. (20 points) Given the curve x(y)^(2)+x+y=3, find dy/dx and (d)^(2)y/d(x)^(2) at the point (1,1) Solution: Refer to Q3 of 94 midterm. http://www.math.ntu.edu.tw/~mathcal/download/exam/941cala_2mid.pdf 3. (20 points) Using a linear approximation to estimate the value cot46(deg). Is your approximation accurate to within 0.1? Solution: Refer to Q5 of 94 midterm. http://www.math.ntu.edu.tw/~mathcal/download/exam/941cala_2mid.pdf 4. (20 points) Evaluate the following limit 1 lim x(√(x^2-x)-x)sin--- x→∞ x Solution: Refer to Q1(a) of 94 midterm. http://www.math.ntu.edu.tw/~mathcal/download/exam/941cala_1mid.pdf 5. (20 points) Find dy/dx where y=(Inx)^(x/2) on y>1 Solution: Refer to Q2(b) of 96 midterm. http://www.math.ntu.edu.tw/~mathcal/download/exam/961A2m.pdf ※ 此小考全從歷屆考古提出 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 118.168.91.248