determine the function
Algebra
Level
pending
2f\left( xy \right) ={ (f(x) }^{ y }+{ f(y) }^{ x }\quad \forall x,y\quad and\quad f(1)=2\quad then\sum _{ n=1 }^{ 9 }{ f(n) }
1025
1023
1024
1022
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