aubreywolfe4935 aubreywolfe4935
  • 26-03-2024
  • Mathematics
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Let Sₙ be the sum to n-terms of an arithmetic progression 3, 7, 11, ...
ₙ
If 40 < (6/n(n+1) ∑ Sₖ) < 42, then n equals ____.
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