Search over 10,000 free study notes

If you have the question:

What is 2/3 minus 1/5?

You should start this question by looking at the demoniators (the bottom of the fraction). You want to get a number that is ...

There are two ways we can find the derivative of x^x.

It's important to notice that this function is neither a power function of the form x^k nor an exponential function of the form b^x, so we...

Always follow the same three steps : equating – substracting – substituting but you can have different cases : 

Case 1: we only need to multi...

First things first it will definately be useful to make a quick sketch of the x-y axes, the two points, and roughtly what the perpendicular bisector will look like.

This kind of question ...

Maths has always been a passion of mine from a young age. I've always enjoyed helping others with their maths as I find it extremely stimulating.