Mathematics
Senior High
Resolved
矢印の部分はどのように変形しているのですか？
したがって
T₁ = 2
11
k=1
żbx= = ² {k(k+1)¯¯ (k+1Xk+2)
50+1?
1 [1 001A
1/11/2
82 (n+1)(n+2)
SI
n(n+3)
ン
Answers
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なるほど！ありがとうございます！！