| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎. [) L. d0 M: ]5 c
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(x - a) = x - a/ N2 C3 U, i! y' L% [; @
(x - a) (x - b) = x^2 – ax – bx + ab
  @3 b% M; U4 N7 D# |3 e. h- ^4 P- `(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
" F+ o: R! i3 f. S8 v(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd/ \7 G6 c6 j6 r
如此種推，$ W" u0 f3 Q4 ]/ G
(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:: [! m2 E3 x% R7 ~5 o
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc5 d! S) D5 k' \

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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:
' L# t( y, J- J9 `7 c% m3 L咁難既=.="% n, q3 n7 K) X: @; s  G) M

3 {. O/ W6 }  e: H; H[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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5 _! q7 Q) Z- m, r& z' p" kThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:6 P4 o! y& ^8 q; g" g( ~
第一個答中有獎  G! F8 b: W- e( l4 \" \. o3 g# N

  R1 T+ ^! S! z- j) H  M(x - ...

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# \; h2 s8 |8 u+ P* S; @8 D$ X; m, X7 R3 Q(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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- \& h4 Z+ B, W5 h(x-x)= 0 ，所以答案係0，is it?

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) o2 @, [/ B4 D4 D唔似a.math題
* D) r% d  M8 X: Y  N似IQ題=.=
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! Q0 |2 ^$ Y" }1 |' g2 P[ 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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7 j4 [# r; n7 M0 E) @& w( C(x-x)= 0 ，所以答案係0，is it?

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& N/ T, T# s6 f) D1 aBingo~

waikong

我係學校個學生會單張見過
% f5 x% R1 V* s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' q$ Y% R. V5 Y6 ^. m. }
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]