作者lazyman7964 (小醬)
看板trans_math
標題[考古] 高大97考古題幫解 非常急
時間Sat Jul 4 23:09:10 2009
1. Find δ^2f/δxy if f(x,y)＝3x^3 - xy^2 + x^2y + 5Y^3.
2. Find the area of the region bounded by the curves.
x = 4 - y^2 , x - y = -2
3.Find the volume of the solid with cross-sectional area
A(x)=π(8-x)^2 , 0≦x≦8.
4.Solve the initial value problem.
y'=x / cosy , y(0) = 0
請各位高手幫我解題一下
感激不盡
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.40.204.156
推 chemical1223:1) -2y + 2x^(2y-1) 59.117.112.204 07/04 23:35
→ chemical1223:手邊沒有紙只能解這題了@@ 59.117.112.204 07/04 23:35
推 chemical1223:是x^2y還是yx^2 ? 跟6949不一樣 59.117.112.204 07/04 23:41
→ chemical1223:如果97抄96的同一題那我的答案不正確 59.117.112.204 07/04 23:42
推 chemical1223:我算錯了...=.= 122.120.99.71 07/05 20:04