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C3 Coursework Solution of equations by numerical methods Introduction In this coursework I am going to use numerical methods to solve equations that can't be solved algebraically, for example if the largest power of the equation was 3 or over , we would have to use the following methods: the change in sign method, Newton-Raphson method and the method of rearranging f(x) =0 in the form x = g(x). I am going to use an equation which cannot be factorised or solved using the formula x = -b . 2a Change of sign method My equation is -6x3 +9x2 +5x-6. My equation has four roots I am going to use change of sign to find one of them. For the change in sign method I am going to do a decimal search, i.e. I have taken the negative and positive y values that are in between zero. I did my first decimal...

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