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A conclusion should not be a repetition of your introduction. In your introduction you should analyse the key words of the question and establish the points you will discuss in depth in your essay. You shoul...

We use the rule that if y = x^n then dy/dx = n*x^(n-1) which is valid whether or not n is an integer. We also use that differentiation is a linear operation, which means that we can differentiate term by ter...

Power of supplier- How high the supplier's ability is to increase prices, which is determined by how many other companies they supply, as well as the uniqueness of the product. If there are fewer suppliers, ...

Stimulated emission occurs under the specific circumstances of a population inversion, that is, when there are more electrons in a higher energy level than one below it. There will be a certain energy differ...

When a wire moves through a magnetic field the wire cuts through the magnetic field lines. This cutting through gives a force on the electrons in the wire, pushing them along, and these moving electrons are ...