IB Maths HL Series

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IB Maths HL Series

Postby Max » Mon Apr 01, 2013 8:05 pm

IB Mathematics HL – Arithmetic Series

How can I find the sum of the first 15 terms for the sequence defined by the following formula?



Thanks
Max
 
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Re: IB Math HL Series

Postby miranda » Mon Apr 01, 2013 8:08 pm

IB Mathematics HL – Arithmetic Series


This is an arithmetic sequence with common difference d = 8.
The first term is 6, common difference is d = 8, and n =15.
To find the sum of the first n terms, you will use the following formula for a
arithmetic series:



where

So




Hope these help!! :) :)
miranda
 
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Re: IB Maths HL Series

Postby Max » Mon Apr 01, 2013 8:09 pm

Thanks miranda!!
Max
 
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