| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
9 O& W3 |$ T2 W$ s. j! r(x - a) (x - b) = x^2 – ax – bx + ab' g, z/ D$ I% o/ d% P
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
) b' ~" Q0 i, z2 a2 \(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd# }; B1 t. }  C  [0 S  d& c
如此種推，
3 f) v: x' o5 j6 y& D3 K(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:
2 \1 h$ A% a) _/ k(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc1 S5 C- d9 n' V7 Z- ~  L

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2 J* v& w1 ]3 l3 J6 }) ~[ 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:2 h! x. s1 b, ?7 C- W0 l) J
咁難既=.="
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$ X% @: c& s- P+ D+ V; B[ 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:
4 F0 l" m, w6 v# }* d第一個答中有獎
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(x - ...

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) d. _* m, U- k8 D: x(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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(x-x)= 0 ，所以答案係0，is it?

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3 W* m' d1 W2 l8 `' `7 [1 c唔似a.math題- F2 b- E: Y4 W4 u) N4 d7 l& i2 e# @
似IQ題=.=
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% {3 `. v) K9 ]" c[ 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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; u; q7 [" ~1 s2 H" V(x-x)= 0 ，所以答案係0，is it?

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7 R; y$ Y7 j4 t0 g6 F( UBingo~

waikong

我係學校個學生會單張見過
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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.........5 D& m9 d9 \* J) q

: }7 `# @5 r7 i# J- r這條問題，貼落吹水版，名副其實# U1 H9 b' \! M- e3 `& Z5 i7 G
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]