Problem 45364. Sum of series
a(n) = n^2 - (n-1)^2
find the summation of the series upto n i.e.
a(1)+a(2)+...+a(n)
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2 Comments
Edwin Rodrigo
on 19 May 2023
ez
Anush
on 17 Jul 2023
Hint: Check which terms cancel out each other
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