If A=
and B= 
and
(A + B)2 = (A2 + B2) then
=
B=
A+B = 
(A+B)2 = 
= 
= 
= 
A2=
= 
B2=
=
(A + B)2 = (A2 + B2)
= 
+
= 
By comparison,
a-1 = 0
a=1
b=4
1
If A=and B= and
(A + B)2 = (A2 + B2) then
= B=
A+B =
(A+B)2 =
=
=
=
A2=
=
B2=
=
(A + B)2 = (A2 + B2)
= +
=
By comparison,
a-1 = 0
a=1
b=4