JEE Math Practice Question
For the differentiable function $$f: \mathbb{R}-\{0\} \rightarrow \mathbb{R}$$, let $$3 f(x)+2 f\left(\frac{1}{x}\right)=\frac{1}{x}-10$$, then $$\left|f(3)+f^{\prime}\left(\frac{1}{4}\right)\right|$$ is equal to
- A.13
- B.$$\frac{29}{5}$$
- C.$$\frac{33}{5}$$
- D.7
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