isabellahardes isabellahardes
  • 30-04-2018
  • Mathematics
contestada

Find the indicated sum. Show your work. (pictured below)

Find the indicated sum Show your work pictured below class=

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CastleRook
CastleRook CastleRook
  • 10-05-2018
The sum of the indicated series will be:
[(-1)^1(-1+11))]+[(-1)^2(2+11)]+[(-1)^3(3+11)]+[(-1)^4(4+11)]
=[-1(10)]+[1(13)]+[-(14)]+[1(15)]
=-10+13-14+15
=4

Answer: 4
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