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When we start to analyse any piece of literature that we find hard it’s important to not panic. Sometimes it’s easiest to start with the simplist of assumptions and thoughts. So when we look at the openin...

Water molecules are dipolar - they have both positively charged and negatively charged regions due to differences in the electronegativity of atoms (this is how strongly they attract electrons). This prop...

It can seem tricky to integrate ln(x), as there is no obvious solution to do it.It is, however, quite simple to do if you use the 'by parts' method.If you have y=ln(x)Set u=ln(x) and dv/dx=1That gives du/...