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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)

PLEASE HELP

Consider the following geometric series:
Sn = a + ar +

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