Abstract
This paper focused on a study to find integer design of solutions Diophantine Equation
?(X^4+Y^4 )(?U^2+V^2 )=T^2 (C^2-D^2 )(Z^2-W^2 ) P^? With ?>0,?>0 and X0,?>0 and X2 is parameterized by integers k and n, with variables defined as:
x = k^n,y=k^(n+1),z=k^(n+3),w=k^(n+2),p=k^n, U=2^(n+1), V=2^n , T=3(2)^n ,
?=(1+k^4 )(k^6-k^4 ) k^(?-2)n n^2 , and {?(C=(((1+k^4)/2)^2+1)n,D=(((1+k^4)/2)^2-1)n, if 1+k^4 is even@C=(((1+k^4 )^2+1)/2) )n,D=(((1+k^4 )^2-1)/2)n, if 1+k^4 is odd)}.
for ?=1 is x = k^n,y=k^(n+1),z=k^(n+3),w=k^(n+2),p=k^2n,U=2^(n+1),V=2^n ,T=3(2)^n ,
?=(1+k^4 )(k^6-k^4 ) n^2 and {?(C=(((1+k^4)/2)^2+1)n,D=(((1+k^4)/2)^2-1)n, if 1+k^4 is even@C=(((1+k^4 )^2+1)/2) )n,D=(((1+k^4 )^2-1)/2)n, if 1+k^4 is odd)}.
for ?=2 is x = k^n,y=k^(n+1),z=k^(n+3),w=k^(n+2),p=k^n,U=2^(n+1),V=2^n ,T=3(2)^n ,
?=(1+k^4 )(k^6-k^4 ) n^2 and {?(C=(((1+k^4)/2)^2+1)n,D=(((1+k^4)/2)^2-1)n, if 1+k^4 is even@C=(((1+k^4 )^2+1)/2) )n,D=(((1+k^4 )^2-1)/2)n, if 1+k^4 is odd)}.
Lemma 2: At ?=3, the Diophantine equation
?(X^4+Y^4 )(3U^2+V^2 )=T^2 (C^2-D^2 )(Z^2-W^2 ) P^? With ?>0,?>0 and X2 is parameterized by integers k and n, with variables defined as:
x = k^n,y=k^(n+1),z=k^(n+3),w=k^(n+2),p=k^n, U=3^n, V=3^n , T=2(3)^n ,
?=(1+k^4 )(k^6-k^4 ) k^(?-2)n n^2 , and {?(C=(((1+k^4)/2)^2+1)n,D=(((1+k^4)/2)^2-1)n, if 1+k^4 is even@C=(((1+k^4 )^2+1)/2) )n,D=(((1+k^4 )^2-1)/2)n, if 1+k^4 is odd)}.
for ?=1 is x = k^n,y=k^(n+1),z=k^(n+3),w=k^(n+2),p=k^2n,U=3^n, V=3^n , T=2(3)^n ,
?=(1+k^4 )(k^6-k^4 ) n^2 and {?(C=(((1+k^4)/2)^2+1)n,D=(((1+k^4)/2)^2-1)n, if 1+k^4 is even@C=(((1+k^4 )^2+1)/2) )n,D=(((1+k^4 )^2-1)/2)n, if 1+k^4 is odd)}.
for ?=2 is x = k^n,y=k^(n+1),z=k^(n+3),w=k^(n+2),p=k^n,U=3^n, V=3^n , T=2(3)^n ,
?=(1+k^4 )(k^6-k^4 ) n^2 and {?(C=(((1+k^4)/2)^2+1)n,D=(((1+k^4)/2)^2-1)n, if 1+k^4 is even@C=(((1+k^4 )^2+1)/2) )n,D=(((1+k^4 )^2-1)/2)n, if 1+k^4 is odd)}