| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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9 X  o* {5 T1 p(x - a) = x - a
* P+ l' l& g. j) t# [6 M(x - a) (x - b) = x^2 – ax – bx + ab8 b* Q# ~  D4 |( Q+ m- z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc+ ~* h7 x# J# b4 n
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
5 c* @" }. h7 e; Z/ O6 g6 _% I如此種推，
8 {6 K& w3 K6 w2 N1 q(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???, t9 C( y+ K& _( J: b

3 b: O! v5 Q( }% L% B* G[ 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
# @' Q" S$ o  j

Originally posted by Triangel at 2007-4-18 01:26 PM:
; k7 n( B1 u1 V( x, j( g(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ 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:
9 b; m2 q  L3 {8 i咁難既=.="
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[ 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:0 B3 @5 ~/ c  D6 h
第一個答中有獎8 w& A5 q' m  {$ O

$ v$ P3 ^6 l9 C(x - ...

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& v* C; v7 \6 l2 [2 H& [(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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8 W- D  n6 b/ r0 A  S(x-x)= 0 ，所以答案係0，is it?

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9 B; K  e1 v* l% H/ @$ y" ~唔似a.math題) e9 X2 B3 ]; H0 j
似IQ題=.=& N& y; g7 C/ g* B% y, k

, L7 @& [8 u. f+ D1 A/ ^[ 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:' y7 i  A! C. O% w/ x0 N! }$ C
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(x-x)= 0 ，所以答案係0，is it?

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; n9 ~% E; a7 w6 s* @2 j2 ^Bingo~

waikong

我係學校個學生會單張見過5 S$ ^0 j: |' _) I( H' |* ~
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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! O1 D9 T  y3 m; w這條問題，貼落吹水版，名副其實7 `3 d0 q) ?2 S* z' i

' R% j: X: |& ]0 n[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]