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In French it is often essential to know what gender a particular word is in order to be able to construct a sentence effectively and without errors. 

However, it is not always immediately clea...

The product life cycle is a business marketing tool in which it is able to assess the stages a product goes through in its life. The four stages are

1. Introduction - Where the product is intr...

Factorising quadratic equations

This method is used for the following factorable expression:

ax²+bx+c

Although this method is particularly useful wit...

This is an integral many people struggle with, but, with a simple trick it becomes a little more straight forward. We will approach this integral using integration by parts.

But what are the p...

Take a matrix A=(^a_c^b_d), where a,b,c,d are numbers.

First find the determinant. This is ad-bc.

Now, rearrange the matrix to become (...