Let $y(x)$ be the solution of $$x^{2} y^{\prime \prime}(x)-2 y(x)=0,\quad y(1)=1, y(2)=1$$
Then the value of $y(3)$ is
1. $\frac{11}{21}$
3. $\frac{17}{21}$
4. $\frac{11}{7}$