stonerofmisery4776 stonerofmisery4776
  • 12-03-2024
  • Mathematics
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Prove that for every positive integer n 1 · 2¹+ 2 · 2² + 3 · 2³ + . . . + n · 2ⁿ = (n − 1)2n＋1+ 2.

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