How do you find the next three terms in the geometric sequence 9, -3, 1, , ... ?

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How do you find the next three terms in the geometric sequence 9, -3, 1, , ... ?

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Answer 1 · 2016-04-24T03:14:14

#-1/3,1/9,-1/27#

Explanation:

This is a GP series having first term #a=9#
and common ratio #r=-3/9=-1/3#
So
multiplying 3rd term 1 by #-1/3 # we get 4th term #1xx(-1/3)=-1/3#
multiplying 4th term #-1/3 #by #-1/3 # we get 5th term #-1/3xx(-1/3)=1/9#
and similarly the 6th term #1/9xx(-1/3)=-1/27#

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How do you find the next three terms in the geometric sequence 9, -3, 1, , ... ?

1 Answer

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