Search over 10,000 free study notes

A common yet frustrating issue that examiners find with essays under exam conditions is that the candidate fails to answer the question to the desired level. This may be due to a misinterpretation of the que...

You can find the area under this graph by evaluating the definite integral of y = f(x) with respect to x between x = a and x = b Please note: An area below the x-axis has a negative value Example: Find the a...

Cost push inflation is the result of an increase in the price of the factors of production e.g. labour, raw materials. For example, an increase in the price of oil will increase the price of most raw materia...

The normal line to a curve at a particular point is the line through that point and perpendicular to the tangent. A simple trick to remembering how to find the normal gradient, n , is that the slope of any l...

Simultaneous equations - Solution by substitution As the variables (x & y) are the same in both equations , we can substitute from one equation into the other. This will give an equation with just one va...