Mathematics
Senior High
Resolved
五番の(3)が分かりません😭優しい方教えてください🙏
5
+ +2x+1)(x-2x+2x-1)
次の式を展開せよ。
(1) (a+b)(a2+62)(a-b)
P206
2
(x+1)(x-2)(x - x + 1)(x 2 + 2x +4)
↓
6 [2013 慶応義塾大]
(2) (
(√3+√5 + √7)(√3+√5-√7)/(√3-√5 +√
ifs
2-12ab+6bc-4ca (2) x²-6x3y+9x2 y2-4y4
a-
:) a4-2a2b2+64
(3)x6-7x3-8
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