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  • 23-12-2021
  • Mathematics
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2+5+8+….+3n-1=n(3n+1)/2

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tweetyb212p7m460
tweetyb212p7m460 tweetyb212p7m460
  • 23-12-2021

Answer:

all you do is() first divide then go from left to right answers 4

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