Find the indicated sum for each geometric series. S6 for 2 + 1 + 12 + 14 +

asked Aug 11, 2021 232k views

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Find the indicated sum for each geometric series.
S6 for 2 + 1 + 12 + 14 +

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Answer:

Explanation:

$2+1+(1)/(2) +(1)/(4) +....\\r=(1)/(2) \\S_(6)=2(1-((1)/(2))^6 )/(1-(1)/(2) ) \\=4(1-(1)/(64) )\\=4*(63)/(64) \\=(63)/(16) \\=3(15)/(16)$

Kevin Owocki answered Aug 15, 2021

4.1k points

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