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Old 2019-01-05, 17:48   #5
enzocreti
 
Mar 2018

17×31 Posts
Default a slightly different equation

what instead about the equation:


a(2*a^2+2*b^2+c^2+d^2)=(2*a^3+2*b^3+c^3+d^3)?


Again a=1,b=1,c=1,d=1 is a solution
a=5, b=4, c=6, d=1 is another solution


are there solutions with d>1?
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