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UPSC NDA 2 2022 Mathematics Solved Paper

Consider the following for the next three (03) itcms that follow:

Let

f(x)

be a function satisfying

f(x+y)=

f(x) f(y)

for all

x, y \in N

such that

f(1)=2

[NDA II 2022]

Question : 31 of 120

Marks: +1, -0

\sum\limits_{x=2}^{n} f(x)=2044

n

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