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Find an explicit formula for the geometric sequence 3,15,75,375,...

 Jun 13, 2019
edited by ProffesorNobody  Jun 13, 2019
 #1
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1st_ term _=_ 3  
2nd term = 3 * 5

 

 

3rd term = 3 * 5 * 5  
4th term = 3 * 5 * 5 * 5

 

 

 

nth term  =  3 * 5(n - 1)

 Jun 13, 2019
 #2
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-3

thxthxthxthxxxxxxxxxxxxxxxx

ProffesorNobody  Jun 13, 2019

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