Let f(x) be a function such that f(x + y) = f(x)f(y) for all x, y… | JEE Main 2023 Mathematics PYQ

MCQEasyJEE Main 2023 · 24 January, Shift 2Sum of Series

Let $f(x)$ be a function such that $f(x + y) = f(x)f(y)$ for all $x, y \in \mathbb{N}$ . If $f(1) = 3$ and $\sum_{k=1}^{n} f(k) = 3279$ , then the value of $n$ is:

A
$6$
B
$8$
C
$7$
D
$9$

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