Find the solution of f(x)=x^3+4x- 6=0

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SUMMARY

The polynomial function f(x)=x^3+4x-6=0 has a single solution, which is x=1.1347. This solution was obtained using Newton's method, with an initial seed value of 1. The method was implemented through a program created in Excel, confirming the accuracy of the result. There are no additional solutions to this equation.

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albert391212
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Please find the solution of polynomial function :
$$f(x)=x^3+4x- 6=0$$
I use Newton's method to solve it
and I also write a program (using excel) for help$$$$$$$$
 
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1650694997076.png
 
Albert391212 said:
https://www.physicsforums.com/attachments/11796
sorry I mistype the function in my program
I tried again using the correct function and put seed 1 , and get the answer x=1.1347
there is only one solution
x=1.1347
1650710371666.png
 
That's the correct solution. What is your question?

-Dan
 

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