Umm, never knew you were doing these questions thing for six times already
question six

Umm, never knew you were doing these questions thing for six times already
Its called question six

Umm, never knew you were doing these questions thing for six times already
Its called question six
Oh
Let a and b be positive integers such that ab + 1 divides a2 + b2. Show that a2 + b2 / ab + 1 is the square of an integer.