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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 (...

This will use the process of integration by parts.

First, notice that ln(x)=ln(x)*1.

So, the integral of ln(x) is the integral of ln(x)1. The process of integration by parts is;  i...