Newton's Method/Example/x^3 - 2 x - 5 = 0

Example of Use of Newton's Method
The real root of the cubic:
 * $x^3 - 2 x - 5 = 0$

can be found by using Newton's Method.

Its approximate value is:
 * $2 \cdotp 09455 \, 1$

Also see

 * Definition:Wallis's Number