Mathematics, 31.07.2019 01:30 treestump090
Find the sum of the geometric series with a1 = -1, r = -2 and a10 = 512
Answers: 1
terms:
and 
, so
makes me think you're supposed to find 
, which is just a matter of setting 
in the formula above.
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Find the sum of the geometric series with a1 = -1, r = -2 and a10 = 512...
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