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LCM stands for Lowest Common Multiple, and HCF stands for Highest Common Factor.

The key to telling the difference between these two things is knowing the differen...

Firstly, before learning any case study you must ensure that you understand the content properly as this will make it much easier to learn. Consult different resources such as the internet and textbooks i...

The first step to planning an essay is really understanding the question asked. Make sure you know what aspects the question is getting at, and then keep this question in mind as you read through the set ...

The aim here is to turn the fraction so that the denominator does not have a surd. 

Given that we know that any surd squared is equal to the number itself, i.e sqrt(2) * sqrt(2) eq...

This is a quadratic equation. There are different ways to solve quadratic equations including factorising them and using the quadratic formula. This is a simple equation so it cn be solved by factorising....