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

Find the indicated sum. Show your work. (pictured below)-example-1
User Emilio Martinez
by
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1 Answer

6 votes
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
User Tyger Guzman
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8.6k points
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