Search over 10,000 free study notes

This question is asking us to find the first order derivative of f(x) with respect to x, then the second order derivative when x=1/2i) Firstly, let's consider (d/dx)4/x:There are two ways to think about d...

The fundamental difference between the political systems in the UK and the US, is that the UK has a Parliamentary Monarchy and the US is a Federal Republic, which changes how the systems work and who they...

This is one of the most common questions received at A-Level, and it is one of the questions which best highlights the jump from GCSE to A-Level. My understanding of the requirements of the A-Level paper...

With the methods we know at A Level we cannot current differentiate x^x in its current form. Therefore let y = x^xTo turn it into a form we can differentiate we take the natural log o...

Year 1£10,000 * 15% = £1,500 (Depreciation for year 1)£10,000 - £1,500 = £8,500 (Net present value at the end of year 1)
Year 2£8,500 * 15% = £1,275 (D...