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

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asked Aug 14, 2019 50.9k views

1 Answer

Tyger Guzman · Answer 1 · 2019-08-19T01:38:34+0000

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

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

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