Asked by Speedo
A certain infinite geometric series has first term 7 and sum 4. What is the result when the third term is divided by the second term?
Answers
Answered by
Steve
7/(1-r) = 4
7 = 4-4r
r = -3/4
The second part is now obvious, right?
7 = 4-4r
r = -3/4
The second part is now obvious, right?
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