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Marrrta [24]
3 years ago
12

Which equation represents the partial sum of the geometric series?

Mathematics
2 answers:
Sever21 [200]3 years ago
7 0

Answer:

It’s A

Step-by-step explanation:

Masja [62]3 years ago
3 0

For this case we expand the series for each value of "n":

125 (\frac {1} {5}) ^ {1-1} +125 (\frac {1} {5}) ^ {2-1} +125 (\frac {1} {5}) ^ {3 -1} +125 (\frac {1} {5}) ^ {4-1} =

125+ \frac {125} {5 ^ 1} + \frac {125} {5 ^ 2} + \frac {125} {5 ^ 3} =\\125+ \frac {125} {5} + \frac {125} {25} + \frac {125} {125} =\\125 + 25 + 5 + 1

So, the correct option is: A

Answer:

Option A

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