| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
0 D/ B% Q7 i4 |(x - a) (x - b) = x^2 – ax – bx + ab
& }0 Z) c7 {( x' [( {( V(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
+ H6 L4 ^0 ~3 s- H( H- B(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 J2 R* \4 T  _, r如此種推，
/ B0 Z* S# o* }  k3 r* R, L5 O: F(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

大大

點解你個問題好似有d問題
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Originally posted by Triangel at 2007-4-18 01:26 PM:: q* k5 X9 N/ C- ]: v
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc/ e  }) P2 b+ x2 i" T: t6 z
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2 S+ K! R$ `% x[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

Triangel

Originally posted by 大大 at 2007-4-18 01:41 PM:
3 Y$ ^( K4 H' F7 M咁難既=.="
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* P- P5 ~% U/ L- H4 `# h6 ^[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
& y# x) K0 M3 H% @; B第一個答中有獎
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(x - ...

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(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
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. t* n1 H& F# s: z# K6 U# |2 F(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
; V' q' u4 ^( p, ?9 g7 z# z! w似IQ題=.=" x8 j# \4 J' U5 ?
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[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

Triangel

Originally posted by littlenic at 2007-4-18 01:54 PM:
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(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
9 F* |- l, S  g諗左一陣先諗到

playbr2

我吾識答啊http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif~~~ http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif

karen0123

(哭)~~~~~其實我都知係0.........
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這條問題，貼落吹水版，名副其實2 y  u% O% P/ k- e, K

+ F$ n0 F: l/ r# E) G/ Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]