PTT
Submit
Submit
選擇語言
正體中文
简体中文
PTT
trans_math
[積分] 97 元智資工 曲線弧長
作者:
EggAche
(蛋疼)
2015-11-19 14:25:00
4. Find the arc length for the curve y = x^2 - lnx taking from x = 1
to x = 3
y'(x) = 2x - 1/x
Length = ∫ds = ∫√[1+(y')^2] dx from 1 to 3
似乎沒辦法積出來?也不太容易改成以 dy 積分?
繼續閱讀
[積分] arctan(x)ln(x)的積分
ontherun3325
Re: [微分] 急_基礎微分問題
Eliphalet
[微分] 急_基礎微分問題
nyork
Re: [積分] 不定積分
LuisSantos
Re: [極限] 一題求極限
LuisSantos
Re: [極限] 極限
Eliphalet
[極限] 極限
corey007007
Re: [極限] 一題極限
Eliphalet
[極限] 一題極限
DianLuTu
Re: [極限]
Eliphalet
Links
booklink
Contact Us: admin [ a t ] ucptt.com