Find the summation of first 'n' odd numbers

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Find a simple formula for the summation of the first 'n' odd numbers (1, 3, 5.....).
More formally, find a general solution for :  
n
Σ (2k-1)
k=1

Source : CLRS A.1-1
Posted by Unknown on Friday, April 16, 2010 at 6:32 AM

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