(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Using the Newton Raphson formula to calculate a solution for

[tex]x^2-8cos(x)[/tex]

2. Relevant equations

[tex]x_n+1=x_n-\frac{f(x_n)}{f'(x_n)}(n=0,1,2,3)[/tex]

3. The attempt at a solution

I get

[tex]x_n-\frac{x^2-8cos(x)}{2x+8sin(x)}[/tex]

Fine but how do I chose an initial term [itex]x_0=?[/itex] the book does not tell me why it has chosen the initial term in its singular example, and since it appears to be random or arbitrary :uhh:

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# Homework Help: Newton-Raphson method

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