SOLUTION: Find the sum of the series 4 + 12 + 36 + ….. + 8748.

SOLUTION: Find the sum of the series 4 + 12 + 36 + ….. + 8748.

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Question 1186917: Find the sum of the series 4 + 12 + 36 + ….. + 8748.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

We know the first term is , so

Each term is times bigger than the last, meaning we have , with
So, we know the series follows .
Foe a geometric series:

we have: and
We need for the last term:

.......since
........since bases same, equal the exponents

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