Watch this video to learn about the rules of surds. For example, \(\sqrt 4 = 2\) is not a surd. However \(\sqrt 5\) is a surd. If you use a calculator, you will see that \(\sqrt 5 = 2.236067977...\) ...

Rationalise the denominator of \(\frac{\sqrt{8}}{\sqrt{6}}\). The denominator can be rationalised by multiplying the numerator and denominator by √6. (This has the ...

This repository provides my solutions for all exercises in the book "An Introduction to Statistical Learning with Applications in R", second edition, by Gareth James, Daniela Witten, Trevor Hastie and ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...