8 The binomial expansion, page 168, example 9

Explore for which values of [i]x[/i] the first four terms of the expansion (shown by [i]g[/i]([i]x[/i])) gives a good approximation to the function [i]f[/i]([i]x[/i]).
– Pearson Secondary Maths

Information: 8 The binomial expansion, page 168, example 9