If f(x) and g(x) are two functions with g(x) = x- 1 x and f g(x)=x^ 3 - 1 x^ 3 , then f^…

Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions

1. \(3 x^{2}+3\)
2. \(x^{2}-\frac{1}{x^{2}}\)
3. \(1+\frac{1}{x^{2}}\)
4. \(3 x^{2}+\frac{3}{x^{4}}\)

Answer

(D) 3 x^ 2 + 3 x^ 4

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