CE Amplifier Small-Signal Equivalent Circuit

[killerdevil]

Homework Statement

i am able to derive out node B and node C, but got stuck at node E. Can somebody please help me out with it?

Homework Equations

node analysis

The Attempt at a Solution

i used microsoft to show you my steps as there are too many subscript.

 

[likephysics]

You missed Vc/Rc in Node E equation.