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A geometric sequence is defined by the equation an = (2)5 − 2n.

Part A: What are the first three terms of the sequence?

Part B: What is the value of r?

Part C: What is the value of a10?

 Mar 4, 2016
 #1
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+5

geometric sequence 

 

an=252n

 

 

 

n=1:a1=2521=23=8n=2:a2=2522=254=21=2n=3:a3=2523=256=21=12r=a3a2=122=14r=a2a1=28=14n=10:a10=25210=2520=215=121

 Mar 5, 2016

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