Mathematics
Senior High
Resolved
この問題なのですが、左のような(x²-1)5の式をたてる考えがいまいちわかりません。お願いします。
(2)
(x+1)5(x-1)5
X
1 x 0 - 21 x 2 +
+35x4-35x321x2-7%+1
44
h
141 5 C0 x 5 + 5 C 1 x 4 1 1 4 1 + 5 (2 x 3 ± 4/2 + 563x² (±2)²+(x)+
56512/5=x5+5x4y+xy+xる長大なチャ
x + y + 5 x 3 4 ² + 2 x²² + 15 x 44 + 1 2 4 5
58011160x6xx52+662x+2+663x2304x224452
666.26 ) + ( 6 (0x6+6C2×4 22 +-664 x = 24 + 66626) = 2x+120 x
(x+1) 5 (x-1) 5 / x +563x1564x+5(5)
+480x2+64x5458++10x3+10x5x+1)(x5xt+10x310x5x)
STA | 560×5 + 5 = 1×4 +562x² +563x² +5 (4x+5(5) (510x5-5(1x+-1)
={(x+1)(x-1)}5
+562×3-563x2+564x-5651=x2525x+100x100x4
=(x2-1)5
25x-1
x105x10x-10x5x-1
581111562x21-213-80×111×1(31=120m²
131 8 ($ (2x 4x2) 6345=56x 48 x845 141
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ありがとうございます。
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