请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!)3 Y8 W: }; P$ f; N& o7 B. a; Y
$ L7 Z" j0 O5 x8 W/ s7 Kd [(a+bx)c ] /dx = -kc +s $ X$ P; e# u5 P% P( Z1 ?where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?; F; m0 h0 J; P. b0 g2 o
对不起,原题贴错了,怪不得这么多高手进来了。原题应该是4 L# v1 @) b! ^; d
d [(a+bx)c ] /dx = -kc +s ) W6 [9 n/ w5 _" `. I/ bwhere: only x and c are unknown, others are all known, requiire c = function of x, what is this function? % g% ?& e J i3 X& ]这道题难倒了我们全班的人,请赐教! 0 {) \+ U% ~, Z& b5 I, y! ]多谢! % `9 K. f9 K2 e: W6 x8 p1 z- k2 P$ H l
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!/ \: _9 n8 t8 Q; w
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[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]