Numberical method

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In this coursework I am going to use knowledge of numerical methods to produce an approximation root which cannot be solved using analytical methods.

Some particular equations I will be using during the coursework because they’re cannot be integrated by any analytical method therefore approximation method need to be use, because of this numerical method is a suitable method to find out the solution of these function.

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1 Change of sign method

Consider this equation

                From the graph we can see point A lies between -2 and -3

When x= -2 given  
                                                       Y=1.6

When x= -3 given

Y= -28.1

There is a change in sign between – 2 and -3 means that there is a root between the two points.

Decimal research 

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