请教大家一道微分题,多谢!(原题贴错,现纠正,多谢!)& G/ g6 i$ w& Q
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d [(a+bx)c ] /dx = -kc +s ( y. e, C( ]; d! B
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?5 L7 z' a' _/ i! ~
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[ Last edited by 醉酒当歌 on 2005-4-4 at 11:34 AM ]
对不起,原题贴错了,怪不得这么多高手进来了。原题应该是( \: | A+ Z6 g: v' g; `/ T' V0 S
d [(a+bx)c ] /dx = -kc +s. L0 i, h( s4 u+ b5 Z
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function? 1 Z, _/ |0 g& W! z. i5 q这道题难倒了我们全班的人,请赐教!# B! \# {+ `& E
多谢!. l. x( f' Q/ |# B
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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! h+ P. ]0 y4 W$ n/ A
. W3 A. N3 q' Q[ Last edited by 醉酒当歌 on 2005-4-4 at 11:32 AM ]