Let $$f : R \rightarrow R$$ be a function satisfying the condition $$2f(x)-3f\left(\frac{1}{x}\right)=x^{2}$$ for all $$x \neq 0$$. Then $$f(3)-f\left(\frac{1}{3}\right)=$$

A

$$\frac{-16}{11}$$

B

$$-\frac{16}{9}$$

C

$$\frac{16}{9}$$

D

$$\frac{16}{11}$$