Q. 285.0( 1 Vote )

Mark the correct alternative in the following:

If for all non-zero x, then f(x) =

A.

B.

C.

D. None of these

Answer :

eqn. 1

Replacing x by 1/x;


eqn. 2


Multiply eqn. 1 by 3 and eqn. 2 by 5, and then subtract them


We get,




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