You must be familiar with
these three formulae. (The second two are provided in the examination formula
book.)
Summary
Note that
the sum from 1 to n of a constant c, is nc.
This
page uses jsMath. Note that you can get a better display of
the maths by downloading special TeX fonts from
jsMath. In the meantime, we will do the best we can
with the fonts you have, but it may not be pretty and some equations may not be
rendered correctly.
