find the sum of 2n terms of the series 1^2- 2^2 + 3^2 - 4 ^2 + 5^2- 6 ^2+......
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shalini70876:
solve full questio..
What is the full question
see my question carefully...but thanks...now i have solved the sum
Number what u have I calculated
actually find the sum of 2n terms of this series....not use the arithmetic operations
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