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siniylev [52]
3 years ago
7

Find the sum of the geometric sequence. 4 divided by 3, 16 divided by 3, 64 divided by 3, 256 divided by 3, 1024 divided by 3

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer:

Sum = \frac{1364}{3}

Step-by-step explanation:

The given geometric sequence is:

\frac{4}{3}, \frac{16}{3}, \frac{64}{3}, \frac{256}{3},\frac{1024}{3}

The first term of the sequence is a_{1}=\frac{4}{3}

The common ratio of the sequence is:

r=\frac{\frac{16}{3} }{\frac{4}{3} }=4

There are 5 terms in total in the given sequence so n = 5

The formula to calculate the sum of finite geometric sequence is:

S_{n} = \frac{a_{1}(1-r^{n}) }{1-r}

Using the given values, we get:

S_{5}=\frac{\frac{4}{3} (1-4^{5}) }{1-5} = \frac{1364}{3}

Therefore, the sum of given geometric sequence is \frac{1364}{3}

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