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First start by copying down the question and making sure that you have copied all of the correct numbers. We then identify that it is a quadratic equation due to there being an x raised to a power 2 term....
Let's begin with the basics, before we begin we should be able to answer what is a surd? and What rules do we need?\begin{equation}...\end{equation}Answer: 3*sqrt{2}
Step one: convert all dimensions to the same units 1km = 1000m therefore 5km = 5000m12km = 12,000mStep two: recall that Pythagoras theorem is used for right angle triangl...
There are a number of ways of looking at the limiting behaviour of a fraction. Let’s look at three examples:1) a(n) = 2n+1/7n —> divide into two separate terms, that both clearly converge. 2) b(n) = 2/...
The chain rule is a rule that is used when calculating the derivative of a function. If you have a function within a function, i.e. f(g(x)), then the derivative is calculated as follows: df/dx = (df/dg)AKAnswered by Arjun K. • Maths tutor3015 Views
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