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发表于 2005-4-4 11:25
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对不起,原题贴错了,怪不得这么多高手进来了。原题应该是
' S2 B9 A1 `" J1 B, e; Ad [(a+bx)c ] /dx = -kc +s2 [: J2 C0 l( e5 r9 {; u
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? ]0 ^" c" {# f* Q: s* g; A
这道题难倒了我们全班的人,请赐教!, _2 C# B. R: c) i7 `7 i
多谢!5 @) a- N3 |, z8 ?5 \" [
9 T; `$ o) H$ s$ I2 Q要求用x的函数来表达c.也就是等式右边不能包含c. 即 c = x 的函数, 所求就是这个函数。多谢!
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0 e( E; ~0 {' S. a- {8 U/ d[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ] |
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