ImmortalFusedZamasu
ImmortalFusedZamasu ImmortalFusedZamasu
  • 03-07-2018
  • Mathematics
contestada

PLEASE HELP!!!

Which Expression defines the arithmetic series 3 + 7 + 11 + . . . for eight terms?

PLEASE HELP Which Expression defines the arithmetic series 3 7 11 for eight terms class=

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DeanR
DeanR DeanR
  • 03-07-2018

The first one is the best answer.  Eight terms, common difference 4, first term 3, check.

Plenty of people (including me) write the second one as equivalent, but without the parentheses it's not clear if that final 1 is being summed or outside the summation so it's best fully parenthesized.


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