Difference between revisions of "2005 Alabama ARML TST Problems/Problem 8"
(New page: ==Problem== How many of the positive divisors of 3,240,000 are perfect cubes? ==Solution== {{solution}} ==See Also== *2005 Alabama ARML TST *[[2005 Alabama ARML TST Probl...) |
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==Problem== | ==Problem== | ||
| − | + | Find the number of ordered pairs of integers <math>(x,y)</math> which satisfy <center><math>x^2+4xy+y^2=21</math>.</center> | |
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==Solution== | ==Solution== | ||
{{solution}} | {{solution}} | ||
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==See Also== | ==See Also== | ||
Revision as of 11:42, 10 December 2007
Problem
Find the number of ordered pairs of integers 
which satisfy
.Solution
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