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Manuals/calci/ARITHMETICSERIES (view source)
Revision as of 00:03, 23 September 2016
, 00:03, 23 September 2016→Description
<math>a_{k}=a_{(k-1)}+d=a_{(k-2)}+2d=...=a_{1}+d(k-1)</math>.
<math>a_{k}=a_{(k-1)}+d=a_{(k-2)}+2d=...=a_{1}+d(k-1)</math>.
*The sum of the sequence of the first n terms is then given by
*The sum of the sequence of the first n terms is then given by
<math>S_{n} = sum_{(k=1)}^{(n)}a_{k}</math>
<math>S_{n} = \sum_{k=1}^n a_k</math>