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· dio-3
Diophantine Equations · Difference of squares
AIME style
●●●●○ 7/10
~5 min
⏱ 0:00
How many ordered pairs of positive integers
(
x
,
y
)
(x, y)
(
x
,
y
)
satisfy
x
2
−
y
2
=
45
x^2 - y^2 = 45
x
2
−
y
2
=
45
?
factoring
parity
Submit
Hint 1 of 3
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