Let f be a function such that 3f(x)+2f (m/19x)=5x, x≠0, where m=Σ… | JEE Main 2026 Mathematics PYQ

MCQMediumJEE Main 2026 · 24 January, Shift 2Functions

Let $f$ be a function such that $3f(x)+2f\!\left(\dfrac{m}{19x}\right)=5x$ , $x\ne0$ , where $m=\displaystyle\sum_{i=1}^{9} i^2$ . Then $f(5)-f(2)$ is equal to

A
$18$
B
$9$
C
$-9$
D
$36$

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