Mathematics
Senior High
Solved

どのように計算すれば上の式が下の式になるのか教えてください…!

= 1/[2( 21 n(n+1)]²+ 3+ √n(n + 1x2m + 1) + n(n+1)] 1 = n(n+1){n(n+1)+(2n+1) + 1) = n(n+1)}²n+2) 12 AUTE & fith t

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