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Properties of sigma notations

  1. 63041.png = 63035.png (sigma operator is distributive over addition and subtraction)
  2. 63029.png = 1 + 1 + 1 + L n times = n
  3. 63023.png = 63016.png (where a is constant)
  4. 63010.png
     
    (here i and j are independent)

Some important formulas

  1. 63004.png = 62998.png
  2. 62992.png = 62986.png
  3. 62978.png = 62972.png




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