作者qqoodb (1234)
看板trans_math
標題[積分] about converting to polar coordinates
時間Wed Jul 13 01:11:47 2005
4 (4y-y^2)^(1/2)
∫∫ x^2 dxdy
0 0
麻煩各位了
謝謝
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.217.101.47
1F：推 TBEX:是轉成這樣吧 0<= R <=4sinθ 0<= θ <=π/2218.184.164.225 07/13
2F：推 qqoodb:請問你怎麼轉的啊?? 謝啦 59.115.72.39 07/13
3F：推 TBEX:0<= y <=4 0<= x <= (4y-y^2)^(0.5) 畫出來看吧218.184.164.225 07/13
4F：推 qqoodb:我懂了 謝謝你~~~ 59.115.72.44 07/14