D3: Summations

From the DfE Mathematics AS and A-Level Further Maths Content (LINK):

PLAYLIST

Introduction

D3-01 Summations: Introduction

Examples

D3-02 Summations: Sum 4r^2 + 1

D3-03 Summations: Sum r^2 - r

D3-04 Summations: Sum r^2 (r - 1)

D3-05 Summations: Sum (2r - 1)^2

D3-06 Summations: Sum r^3 - 6r

D3-07 Summations: Sum (2r - 1)^3