What is the 8th term of this geometric sequence 3 6 12 24?
Answers
Answered by
44
Solution:
Given G.P : 3 , 6 , 12 , 24 ,..
First term ( a ) = 3 ,
common ratio ( r ) = a2/a1
=> r = 6/3 = 2 ,
n = 8 ,
We know the nth term an = ar^n-1
=> a8 = 3 × 2^ (8-1 )
= 3 × 2^7
= 3 × 128
= 384
Therefore ,
8th term = 384
••••
Given G.P : 3 , 6 , 12 , 24 ,..
First term ( a ) = 3 ,
common ratio ( r ) = a2/a1
=> r = 6/3 = 2 ,
n = 8 ,
We know the nth term an = ar^n-1
=> a8 = 3 × 2^ (8-1 )
= 3 × 2^7
= 3 × 128
= 384
Therefore ,
8th term = 384
••••
Answered by
11
Answer: 48
Step-by-step explanation:
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