精華區beta NTU-Exam 關於我們 聯絡資訊
課程名稱︰微甲下 課程性質︰暑修 課程教師︰周青松 開課系所︰數學系 考試時間︰95/8/25 是否需發放獎勵金:m (如未明確表示,則不予發放) 試題 : I.                dx     -1  (A) Show that, a>0, ∫────── = sin(x/a)+C             √(a^2-x^2)               dx -1  (B) Show that, a≠0, ∫──── = (1/a)tan(x/a)+C             a^2+x^2 II.         d -1    1  (A) Show that ─ sinh(x) = ───── , x real         dx      √(x^2+1)         d -1    1  (B) Show that ─ tanh(x) = ─── , -1<x<1         dx      1-x^2 III. +        1/x  (A) Given x→0, show that (1+x) →e                     n  (B) For each real x, prove that (1+x/n) →e, as n→∞ IV.  Caculate the indicated limit.       1 x t^2  (A) lim ─∫ e dt    x→∞ x 0       1 x   1  (B) lim ─∫ sin(──) dt    x→∞ x 0   t+1 V.  Evaluate the improper integrals.     ∞ -px  (A) ∫ e  dx, p≠0     0     3  dx  (B) ∫ ────    -3 x(x+1)     ∞ dx  (C) ∫ ──────    -∞ e^x+e^(-x)    π/2 cos(x)  (D) ∫ ────── dx     0 √(sin(x)) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.135.142.126