### MF50: Algebra and number patterns

One important use of letters in algebra is to describe patterns in a quantitative and general way. We look at the `sequences' of square numbers and triangular numbers, and derive formulas for the nth terms. A table of differences shed light on these and other number patterns. This video belongs to Wildberger's MathFoundations series, which sets out a coherent and logical framework for modern mathematics.

Length:
09:32