a^2+b^2=200
a+b=16
a=16-b
(16-b)^2+b^2=200
256-32b+b^2+b^2=200
2b^2-32b+56=0
D=576
b1=14, b2=2
a1=2, a2=14
ab=28.
a^2+b^2=200
a+b=16
a=16-b
(16-b)^2+b^2=200
256-32b+b^2+b^2=200
2b^2-32b+56=0
D=576
b1=14, b2=2
a1=2, a2=14
ab=28.