*New*
I’ve just sorted these videos and more into a youtube playlist:
This playlist has all the videos embedded below as well as a number of past paper exam worked solutions for each section. If you prefer your videos embedded here, then scroll down below!
Algebra 1
Arithmetic sequences:
Geometric sequences:
Finding the sum of an arithmetic series:
Finding the sum of a geometric series:
Binomial expansion:
Another binomial expansion example:
Permutations:
Permutations with repeated symbols:
There is an error in the second Binomial example, the second term should be 27 x^2 y.