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Prithwijit
Posts:
28
From:
Ireland
Registered:
5/26/05


Diophantine Equation
Posted:
May 29, 2005 12:26 PM


How many solution(s) does the equation 2((1/a)^2+(1/b)^2+(1/c)^2 +(1/d)^2)=((1/a)+(1/b)+(1/c)+(1/d))^2 have in nonnegative integers?



