Given that $$a * b = \frac{a^2 + b^2}{ab}$$ and $$a \triangle b = \frac{a^2}{b}$$ for any real numbers a and b. If $$x * y = 2 \triangle 2$$, then x =

A

y

B

$$\frac{y}{2}$$

C

2y

D

$$3\frac{y}{2}$$