If $$\tan^{2} A + 2\tan A - 63 = 0$$ Given that O < A < $$\frac{\pi}{2}$$ what is the value of $$\left(2 \sin A + 5\cos A \right)$$?

A

$$19\sqrt{50}$$

B

$$15\sqrt{50}$$

C

$$\frac{19}{\sqrt{50}}$$

D

$$\frac{15}{\sqrt{50}}$$