1.

If f(x+y)=f(x)f(y) and ∞∑x=1f(x)=2,x,y ∈ N, where N is the set of all natural numbers, then the value of f(4)f(2) is:

Answer»

If f(x+y)=f(x)f(y) and x=1f(x)=2,x,y N, where N is the set of all natural numbers, then the value of f(4)f(2) is:



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