Prove or give a counterexample. Thanks in advance for your help!

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- April 25th 2013, 05:26 PMamster27Define G:Z+(Z+) --> Z + as (n,m) in the set of Z+(Z+). Is F(n,m)=3^n(6^m) one-to-one?
Prove or give a counterexample. Thanks in advance for your help!