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24-04-2018
Mathematics

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Find the sum of this geometric series.

Find the sum of this geometric series class=

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CastleRook CastleRook

03-05-2018

The sum of the given geometric series will be:
5(2)^(1+1)+5(2)^(2+1)+5(2)^(3+1)+5(2)^(4+1)+5(2)^(5+1)+5(2)^(6+1)
=5(2)^2+5(2)^3+5(2)^4+5(2)^5+5(2)^6+5(2)^7
=20+40+80+160+320+640
=1260

Answer: 1260

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