Each side of a rectangle is increased in length by 20%. What is the percentage increase in the area?
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I hope first term is 1.
Hope this is your question, if not I think you will, still be able to
find an answer of your question based on this solution.
The formula for general term of a geometric sequence is,
Where, first term: a_{1} =1 and common ratio: r = -4.
So, first step is to plug in the values of a1 and r in the above formula to get the rule of this geometric sequence. Hence,
So, the rule of the geometric sequence is .
To find the seventh term, plug in n = 7 in the above rule. Therefore,
=
= 4096
Hope this helps you!.