MathDB

9

Part of 2007 Pre-Preparation Course Examination

Problems(1)

On equation 4xy-x-y=z^2- Iran 3rd round-Number Theory 2007

Source:

7/28/2010
Solve the equation 4xy−x−y=z24xy-x-y=z^2 in positive integers.
modular arithmeticnumber theory unsolvednumber theory