Top answers

How do you differentiate x^2?

You bring the power down to multiply by the existing coefficient of x =1 in this case, and then you reduce the existing power by 1 leaving you with dy/dx= 2x.
OJ
Answered by Oliver J. • Maths tutor
5283 Views

What is P.E.E?

P.E.E is a simple way of answering essay questions. P.E.E stands for "Point, Evidence, Explaination". This very easy formula allows you to structure your answer, and therefore making it easier for ...
JL
29787 Views

How to use primary sources.

In history you have no doubt come across, and had to use primary sources. Primary sources offer a wealth of information, but they do have their limitations. There are a number of reasons why you cannot take ...
JL
Answered by Jason L. • History tutor
3874 Views

What is the difference beween biological species concept and the phylogentic approach to defining species?

The biological species concept classifies species as a group of actually or potentially interbreeding individuals. This means that any two individuals (well a male and female) within the group could breed an...
HH
Answered by Harriet H. • Biology tutor
27182 Views

What is chirality/optical isomerism?

Chirality (or optical isomerism) is a physical property of a molecule which has a non-superimposable mirror image. In other words, a molecule which, when reflected cannot be rotated in any way to make the or...
MW
Answered by Matthew W. • Chemistry tutor
14016 Views