Search over 10,000 free study notes

You may be asked to rationalise the denominator of an algebraic expression if it contains a surd in the denominator - such as a^1/2. They can get slightly more complex than this though! What it ...

This is an example of a common AS differentiation Q. To find dy/dx simply apply the power rule to each term in the equation. The power rule is if you have a term x^n then dy/dx will be n times x^(n-1). e....

for part a) you would need to use the formula (x-U)/S.D.=a where X=200 and S.D.=7.8. The student would need to calculate a with the information given. I here would use standard normal distribution here to...

This is a classic suvat question that will most definately appear in the studnets exam without fail. To begin I would list all the values I have and notice that the ball being modelled as a particle denot...

N = ae^bt When N = 20, t = 0. We can substitute this in.20 = ae^{b x 0} ...