Find the 10th and nth terms of the GP 12,4, 4/3,4/9.........

first term (a) = 12

common ratio (r) = 1/3

10  = ar n-1

= 12 (1/3)10-1

= 12 (1/3) 9

= 12 ( 1/19683)

=4/6561

ANS 4/6561

 

 

T= ar n-1

= 12(1/3)n-1                            ans

 


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