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• ∑ (sigma) is nothing but a notation or symbol. It's generally used for a handy representation for summation of a series in mathematics. Look at these simple examples. say S = 1 + 2 + 3 + ..... + 10 …

  in Sum of a Series? Comment by swati-m May 2021
• ∑ (sigma) is nothing but a notation or symbol. It's generally used for a handy representation for summation of a series in mathematics. Look at these simple examples. say S = 1 + 2 + 3 + ..... + 10 …

  in Sum of a Series? Comment by swati-m May 2021