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October 23, 2014

October 23, 2014

Posted by **Anonymous** on Friday, October 26, 2007 at 12:07am.

I got a different answer from the back of the book. The back of the book said that x=1.63052 or x=3.09131. How am I suppose to solve this using a calculator?

- calculus -
**Reiny**, Friday, October 26, 2007 at 12:28amI integrated, substituted the x, and simplified to get the following equation

x^4 - 4x^2 + 12x - 4 = 0

I then used Newton's Method and after 5 iterations I get x= 1.63052

So it appears the book is right.

- calculus -
**Anonymous**, Friday, October 26, 2007 at 12:41amI am not familar with that method. What is it that I do?

- calculus -
**drwls**, Friday, October 26, 2007 at 8:13amhttp://library.thinkquest.org/C006002/Pages/Newtons_Method_for_Solving_Equations.htm

explains the method

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