CAT 2019 Question Paper | CAT Verbal Ability Slot 1
Question :
Consider a function f(x+y) = f(x) f(y) where x , y are positive integers, and f(1) = 2. If f (a+1) + f (a+2) + . + f(a+n) = 16 (2n - 1) then a is equal to
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