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Recursive equation

Given a_1=1,a_2=2,
a_(n+1)=2a_(n)-a_(n-1),n>=2, find a_n, for n>=1

Solution Preview

Solution. Since a_(n+1)=2a_(n)-a_(n-1),
a_(n+1)-a_n=a_n-a_(n-1). ...

Solution Summary

This shows how to find a recursive equation.

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