# Series

Your task is to express the sum of the following arithmetic series for n = 14:

S(n) = 11 + 13 + 15 + 17 + ... + 2n+9 + 2n+11

S(n) = 11 + 13 + 15 + 17 + ... + 2n+9 + 2n+11

## Correct answer:

### You need to know the following knowledge to solve this word math problem:

### Grade of the word problem:

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