Mathematics
Senior High
Solved
(2)ここまではわかったのですが、この後分かりません。どうまとめればよいですか?
チx +9x + 10x'+ u0 + (3m-2)ベ
x +チズ+72イ す (5m-)ど(m-x
(ース)S=1 + 3(x+x→+ t + X ) - (3n-27ズー
4×
2S=
(3m~5)xm+(3n-x
eの(1ーx)とe
ので、メ+laとぎと?
(ス18.11 3x (ズ (n-4)ズ
ズキ1のとそ
(1-ス78: 1t
1-x~)
(nーム)ズ
3x-32 cn-2)x
(3n-2)x
1t
3x~3xm
s.
S=
(1-X)
(n-2)x
t
S=1+す+ま+ぶ
3°
3
3°
37-1
(2) S=1+4x+7x+10x°+…+ (3n-2)x"-1
eの粘剤 alの
ル道もt 上
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