| TriTri | A-Math 加分題 |
第一個答中有獎C4t8W5zq\9~I
[color=Blue](x - a) [/color] = x - a
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
[color=Blue](x - a) (x - b) (x – c) [/color] = x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc#c"l.e'ni`U2N
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcdhKw|&e4K;fN{8gU
如此種推,|!\^^8d7NG
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
[[i] Last edited by Triangel on 2007-4-18 at 01:52 PM [/i]] 點解你個問題好似有d問題E2DHV.m
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM: