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In {2,6,18,54.....}, this G.P ,find the value of 10th & p-th term.

 Apr 14, 2016
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2, 6, 18, 54.......

 

The ratio between terms is 3....and the first term, a, is 2

 

So....the 10th term is given by :

 

2*3(10 - 1)  =  2 *39 =   39,366

 

The n-th term is given by :

 

an  = arn-1   =  2*3n-1   

 

 

cool cool cool

 Apr 14, 2016

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