MathsJEE Main 24 Jan 2026, Shift 2·Q17·MCQ·Moderate

Sets, Relations & Functions · Functional equations

Let

f

be a function such that

3f(x) + 2f\left(\dfrac{m}{19x}\right) = 5x

,

x \neq 0

, where

m = \displaystyle\sum_{i=1}^{9}(i)^2

. Then

f(5) - f(2)

is equal to

(1) $-9$
(2)36
(3)18
(4)9

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