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This is a common question asked by young students and adults, which demotivates them to study and prevents passion from being the driving force during the tougher chapters. Mathematics is used in every in...

Firstly, we note that a 'root' is simply a solution of the equation (at least, in this case). Let's start from what we've been told: x = 1/2 is a root of the equation. Since it's a solution, let's sub it ...

While traditional techniques and drawing are certainly important in the A Level, they only count for a small percentage of your grade. Coursework projects that receive the top grades will present a consis...

Chloride ions have a greater charge density than bromide ions due to their smaller size, and therefore attracts the delta positive H in the water molecule more strongly. This would be approximately a 3 ma...

a) ask student: purpose of differentiation (i), how to perform differentiation (ii) (i) to find the gradient of a curve (ii) multiply the coefficient of x by its indice then minus one from the indici perf...