x2 25 + y2 16 1, x2-y2 16 xy 15, x2+y2 16, x-1 2+y2 16, x2+y2 25, x2/16 + y2/12 1, x 2+ y-5 2 16, y2-x2 1, y2 1-x2, x2-y2 1, y2 1-x2 3, x2-y2 1 x 0, x2-y2 6, 1-x2-y2
x2 25 y2 16 1. There are any references about x2 25 y2 16 1 in here. you can look below.
x2 25 + y2 16 1
x2-y2 16 xy 15
x2+y2 16
x-1 2+y2 16
x2+y2 25
x2/16 + y2/12 1
x 2+ y-5 2 16
y2-x2 1
y2 1-x2
x2-y2 1
y2 1-x2 3
x2-y2 1 x 0
x2-y2 6
1-x2-y2
x2 25 + y2 16 1, x2-y2 16 xy 15, x2+y2 16, x-1 2+y2 16, x2+y2 25, x2/16 + y2/12 1, x 2+ y-5 2 16, y2-x2 1, y2 1-x2, x2-y2 1, y2 1-x2 3, x2-y2 1 x 0, x2-y2 6, 1-x2-y2
