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Too calculate this we need to increase to total amount of money in the bank by 3% year on year for 6 years.
Year 0 £500
Year 1 £500 x 1.03 = £515
Year 2 ...
At turning points, the gradient is 0. Differentiating an equation gives the gradient at a certain point with a given value of x. To find turning points, find values of x where the derivative is 0....
A quadratic equation is one that includes x2 as the highest power of x. Factorising is achieved in 3 steps. Let’s consider the example x2-3x-3=11) Put the equation into the form...
To solve equations like this we need to get the equation in terms of one trigonometric function, ie one of sin(x), cos(x) or tan(x)
It is usually easiest to get everything in terms of wha...
It's worth remembering FOIL: First, Outside, Inside, Last.Say we have the following:(a+b)(c+d), where a,b,c and d are positive integers.Using FOIL, we have: (First) +...
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