| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a8 d8 C- B0 e7 U
(x - a) (x - b) = x^2 – ax – bx + ab3 o1 l) t, G/ l2 a& e; c
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ \. A0 C8 [3 V- c
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd+ }0 [* D' v) K( o: c' Y# @
如此種推，! C. w% j( s' e+ Z! g3 X
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???3 k& ^& A7 `& b: G4 w9 u

( m  x1 I9 T4 z+ R[ 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:/ ~* N% Y, l1 U9 W' A
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc9 j' V% h0 q; r. b6 l1 Z

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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:
! M. }, ?/ L' n$ j咁難既=.="/ n6 [; a7 w% P* k$ G1 r6 v: t

4 M0 k" ?" o5 c% M- k- K[ 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:# G2 a7 I, Y5 x' v3 U, v
第一個答中有獎+ ~9 P" g7 w# K4 z) h* \6 a5 Q

/ |/ B' X$ Z4 I- y! d; T# Z9 g(x - ...

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+ S/ ^2 ]+ Y7 t/ M0 ~6 e4 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:! `7 s+ M2 v9 x5 T& O, G
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(x-x)= 0 ，所以答案係0，is it?

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似IQ題=.=. e4 z( `* V# O. V2 K

' i" U" j! l3 W[ 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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1 v) A. g) @6 U(x-x)= 0 ，所以答案係0，is it?

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4 Y8 p! Q/ C1 _2 V2 i. tBingo~

waikong

我係學校個學生會單張見過1 F5 L, e9 y8 F
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
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: S( S1 _+ M0 V2 `3 H! ], e. y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]