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(Equation 1) 5x + 2y = 20 (Equation 2) x + 4y= 13As we know the values for x and y are the same in both equations, we can use them to find out the values for both, In order to do this we need to tak...
The first step of solving this equation to find out what x is, is to factorise it.
This means grouping it into a set of double brackets which will take the form (x+a)(x+b)=0.
<...
So for this question you can use either the product rule or the quotient rule and I'll run through them both.First the quotient rule:The quotient rule says that if you have h(x)=f(x)/g(x)Then h'(x) = (f'(...
Firstly we need to rearrange this equation so that it contains only one trigonometric function of x (i.e. tanx, cosx or sinx) which will make it much easier to solve.
We can do this in th...
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