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Kosovo Team Selection Test
2015 Kosovo Team Selection Test
2
2
Part of
2015 Kosovo Team Selection Test
Problems
(1)
Infinite points
Source: Kosovo TST 2015 Q2
3/30/2015
Prove that circle l(0,2) with equation
x
2
+
y
2
=
4
x^2+y^2=4
x
2
+
y
2
=
4
contains infinite points with rational coordinates
algebra