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First you should express this in the correct format using the integral sign. We need to find the integral with respect to x so include dx in the equation before integrating. To integrate we add one to the po...

Energy is not transferred in a standing waves whereas in progressive waves energy is transferred in the direction the wave is travelling in.In standing waves, nodes and antinodes exist which are the points o...

Firstly, Keep it simple . This might seem counter-intuative, surely you want to wow the marker with your mastery of the finer points of the english language? The fact is though if the examiner can't understa...

Let's do an example. Sketch: y=x^3 - 2 x^2 - x + 2. First we need to find out where the curve crosses the x and y axes. Look at the x axis first. We factorise the expression if we can. The best method to fac...

Begin your introduction with a focused sentence that includes the text(s) you will be discussing, whilst stating how you will present your main argument. The following few sentences should outline the differ...