For any non-zero real number x x x , let f ( x ) + 2 f ( 1 x ) = 3 x . f(x) + 2f\left(\frac{1}{x}\right) = 3x. f ( x ) + 2 f ( x 1 ) = 3 x . Then, t...

CAT Medium Functions MCQ

Question

For any non-zero real number

x

, let

f(x) + 2f\left(\frac{1}{x}\right) = 3x.

Then, the sum of all possible values of

x

for which

f(x) = 3

is:

-3

-2

functional equationsrootsproblem solving

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