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IB Mathematics HL – Arithmetic Sequences and Series

How can we find the sum of the first 44 terms of the arithmetic sequence defined by the following formula?

for

Thanks

How can we find the sum of the first 44 terms of the arithmetic sequence defined by the following formula?

for

Thanks

- Jack
**Posts:**0**Joined:**Mon Jan 28, 2013 8:08 pm

IB Math HL – Arithmetic Sequences and Series

This is an arithmetic sequence with common difference which can be found as following

The first term is , the common difference is , and .

In order to find the sum of the first terms, we are using the following formula for an arithmetic series:

, where in our case

Therefore,

Hope these help!!

This is an arithmetic sequence with common difference which can be found as following

The first term is , the common difference is , and .

In order to find the sum of the first terms, we are using the following formula for an arithmetic series:

, where in our case

Therefore,

Hope these help!!

- miranda
**Posts:**268**Joined:**Mon Jan 28, 2013 8:03 pm

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