anonymous
  • anonymous
What is the sum of the first n terms of this series? 4 + 6 + 8 + 10 + 12 + ⋯
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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DanJS
  • DanJS
notice when i=1 the term is 4, that will eliminate a couple answers off the bat
DanJS
  • DanJS
They are asking for a sum up to nth term... \[\sum_{1}^{n}\]

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anonymous
  • anonymous
so if it doesn't equal 4 then I should eliminate that answer?
DanJS
  • DanJS
Right, let i=1 and calculate the ( ) Quantity...
DanJS
  • DanJS
Notice that each term increases by 2, that helps choose... ( something +2 ) maybe
anonymous
  • anonymous
C?
DanJS
  • DanJS
yes, the third one, but i sorta gave you the answer with those two infos, sorry
anonymous
  • anonymous
since it's n instead of the infinity symbol and it's 2+2
DanJS
  • DanJS
right, they want n terms, not the infinite sum
anonymous
  • anonymous
I'm slow enough that I don't realize those things, lol. Thank you for your assistance!! xoxo.
DanJS
  • DanJS
no prob,, goodluck

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