作者GayerDior ( 宗教系 川诗佛)
看板trans_math
标题Re: [微分] 一题微分
时间Sun Apr 15 20:47:45 2007
※ 引述《graydevils (why, or why not)》之铭言：
: xy
: let e +xy=7 , 则dy/dx=?
: 笨笨的想用移项...不过会微不出来
implicit differential.
xy
(y+xy')e + y + xy' = 0
dy/dx= - y/x
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◆ From: 61.229.161.126
1F：推 l71cm:这里是 "differentiation" 140.112.5.10 04/15 23:57
2F：→ GayerDior:谢谢更正XDDD 61.229.161.126 04/16 00:04