Web Analytics

Verified Answer :

HomertheGenius

a 1 = 3,  a 2 = 12,  a 3 = 48,  a 4 = 192,...
This is a geometric sequence.
To find any term of a sequence we use formula:
a n = a 1 r^( n - 1 )
a 2 = a 1 r
12 = 3 r
r = 12 : 3
r = 4
Also: 48 = 12 4 and 192 = 48 * 4
The common ratio is : r = 4

patriounite35

the answer is  4                                                                                

hope you you have a good day

                                                                                                                                                                                                                               

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