👉 Learn how to find the sum of a series using sigma notation. A series is the sum of the terms of a sequence. The formula for the sum of n terms of an arithmetic sequence is given by Sn = n/2 [2a + ...

👉 Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The ...

A GCSE Maths video about using vector notation. This video, with worked examples, explores describing vectors in terms of their start and end points, as bold letters, or represented as a column vector ...