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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.
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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...
Expand (1+0.5x)4 , simplifying the coefficients. Step 1. Draw Pascal's triangle to find the coefficients 1 ; 1 2 1 ; 1 3 3 1 ; 1 4 6 4 1. As you can see, each row starts ...
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