SOLUTION: The nth term of a geometric progression is 9(-2/3)^n. Find the first term and the common ratio.

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Question 1202407: The nth term of a geometric progression is 9(-2/3)^n. Find the first term and the common
ratio.
Answer by ikleyn(52835)   (Show Source): You can put this solution on YOUR website!
.

The common ratio is  .   It is absolutely clear from the expression.


The first term is, OBVIOUSLY,  = (-2)*3 = -6.


It is clear from the formula    =   for the n-th term.

Solved.

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