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Sigma Notation

Sigma Notation. Here is a series of squares. 1 + 4 + 9 + 16 + 25 + 36. The general term is r 2. We can write this series in an abbreviated form using Sigma notation. =1 + 4 + 9 + 16 + 25 + 36.

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Sigma Notation

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  1. Sigma Notation

  2. Here is a series of squares 1 + 4 + 9 + 16 + 25 + 36 The general term is r2 We can write this series in an abbreviated form using Sigmanotation =1 + 4 + 9 + 16 + 25 + 36 The Sigma notation tell is to insert values from 1 to 6 in the general term and add up all these resulting terms.

  3. Here are some more examples: = -1 + 1 - 1 + 1 - 1 + 1 = 2 + 4 + 6 + 8 + 10 + 12 Note we can factorise sigma expressions

  4. = (1 + 2) + (2 + 2) + (3 + 2)

  5. Some general properties of sigma notation:

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