12+22+32+..........+20032=2003*4007*334
1*2003+2.2002+3*2001+..........+2003*1=2003*334*xwhat is x?
is the answer 1999??
is ans is 2005???
you can use Σ i (2004-i)
i varying from 1 to 2003.
i think ans is 2005
sahil n samagra u r right!
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