PLEASE HELP
Consider the following geometric series:
Sn = a + ar + ar? + ar3 +...+ar+-2 + art...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 19:40, alesyabursevich
PLEASE HELP
Consider the following geometric series:
Sn = a + ar + ar? + ar3 +...+ar+-2 + art-1
Show that the sum of the series is equivalent to a: (look at image)
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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