If 3 f(x)-f ( 1 x )= _ x x^ 4 , for x>0, find f (e^ x )
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
\(\text { If } 3 f(x)-f\left(\frac{1}{x}\right)=\log _{x} x^{4}, \text { for } x>0, \text { find } f\left(e^{x}\right)\)
- \(x^{2}\)
- \(\mathbf{x}\)
- \(x^{3}\)
- none of these
Answer
(B) x
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