作者ilovecurl (ilovecurl)
看板trans_math
标题[考古] 中山应数八十八年
时间Sun Jun 18 11:12:59 2006
6.Find the length of the curve y=x^2/2 for 0<=x<=1
1
这题我是套用弧长的公式,所求 = ∫ (1+x^2)^1/2dx
0
但是不会积
7.Let a and b be real nunbers with a<b. Let f be a function continuous on
the closed interval [a,b] and differentiable on the open interval (a,b).
If f'(x) = 0 for all a<x<b ,prove that f is a constant function on [a,b].
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 59.113.188.184
1F：→ pboywc:6.设x=tanu 7.设f不是常函数导出矛盾 218.34.243.63 06/18 12:48