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So lets have a quick recap of differenciation to start off. In informal terms, differenciation is carried out by dropping the power to be in front of the term we are differenciating to as well as decrementin...

So we can always substitute the right terms into the quadratic formula. However, there might be a quicker way. Lets try and see if the quicker ways work.Firstly, we need to spot weather the difference of two...

The general approach to solving simultaneous equations is to replace the ‘y’s in one equation with ‘x’s, or the ‘x’s with ‘y’s. In this case, we can first take the equation 5x + y = 4 and rearrange it to get...

Firstly, we can take a look at the degree x's in each term. It seems like they share a common degree of 0. In other words, we will not be able to factor out the x's in the expression.Secondly, we need to fin...

Stationary waves are waves that do not transfer energy. These occur where both ends of the wave are in fixed positions. An example of this would be a string on a violin. As the wave reachs the end of the str...