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1.3+3.5+5.7+........+ [2n-1][2n+1] is equal to n[4n^] + 6n-1 is divided by 3
Asked by Janvi Jhanga | 3rd Aug, 2014, 04:35: PM
Answered by Vimala Ramamurthy | 4th Aug, 2014, 09:14: AM
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