If (2n+1) + (2n+3) + (2n+5) + . + (2n+47) = 5280 , then what is the value of 1+2+3+ . +n ?&nbsp;

7 months ago

If (2n+1) + (2n+3) + (2n+5) + . + (2n+47) = 5280 , then what is the value of 1+2+3+ . +n ?

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