2016 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 8

Problem

Find all non-negative integer solutions of the equation \[n(n+1)=9(m-1)(m+1)\].

Solution

See also

2016 UNM-PNM Contest II (ProblemsAnswer KeyResources)
Preceded by
Problem 7
Followed by
Problem 9
1 2 3 4 5 6 7 8 9 10
All UNM-PNM Problems and Solutions

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