Consider a function f satisfying f(x + y) = f(x) f(y) where... — Quantitative Ability 2019

Question 399 Quantitative Ability 2019 Medium NAT +3.00 marks

Consider a function f satisfying 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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