1/2√5 + (9/2√5)/2
\(\frac{1}{2} \sqrt 5 + \frac{ (\frac{9}{2} \sqrt5)}{2}\)
\(\frac{\sqrt{5}}{2} + \frac{9\sqrt{5}}{4} = \boxed{\frac{11\sqrt{5}}{4}}\)
+1224 
