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aleksandr82 [10.1K]
2 years ago
13

HELP ASAP! explain please Find the sum of the Arithmetic sequence 2 + 4 + 6+...+ 2n

Mathematics
1 answer:
alexira [117]2 years ago
5 0
  • Sn=n/2(2+2n)shdheuxucuehehxhcxdwg
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