Calculating Energy Stored in a Capacitor?

[Dodgers31296]

Homework Statement

How do you find the work done in charging a capacitor and the work done on a charge in an electric field.
I don't know the formulas.

 

[CWatters]

Find an equation for the energy stored in a capacitor. Conservation of energy means it's the same as the work done charging the capacitor.

http://hyperphysics.phy-astr.gsu.edu/hbase/electric/capeng.html