Search over 10,000 free study notes

In order to simplify a surd you need to look at the factors of the number under the square root. You can then multiply together the square roots of the factors.

For example if you wanted ...

Firstly, what is the product rule? What does it actually say? Well, it tells us how to differentiate a function of the form uv - the product of the functions u and v. If y = u...

An extremophile is an organism that can live in extreme conditions such as high temperatures, high pressures and high acidity.
An example of an extremophile is Giant tube worms. They live miles b...

The definition of acceleration is the rate of which an object's velocity changes.

Acceleration = Change in Velocity ÷ Time

Therefore, constant acceleration ...

Stomata can be thought of as gates. This is why the size of the guard cells is so important. How the guard cells change in size is a simple matter of how much fluid they can hold - their turgor. Osmosi...