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JEE Main20253 Apr 2025Evening ShiftMathematicsFunctionsActual

Let f be a function such that f(x)+3 f ( 24 x )=4 x, x 0 . Then f(3)+f(8) is equal to

Options

  1. A11
  2. B10
  3. C12
  4. D13

Correct answer

A. 11

Step-by-step solution

f(x)+3 f ( 24 x )=4 x Put x=3 f(3)+3 f(8)=12 Put x=8 f(8)+3 f(3)=32 Add both 4( f (3)+ f (8))=44 f(3)+f(8)=11

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