Mathematics
Senior High
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数列で、左写真の答えを右写真の赤の回答のように答えてもまるですか?
差数列
(2) 数列は, (-√2) 1+1, (-√2)+1, (-√2)+1, (-√2) 4+1, 2=-√2)
an = (-√2)+1 と推定できる。
で,
......であるの
a=(ab+1)-ar--
n-/
2(-2)
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