Use Newton's method to obtain the third approximation, x,, of the positive fourth root of 6 by calculating the third approximation of the right 0 of f(x) =x* - 6. Start with Xo = 1. The third approximation of the fourth root of 6 determined by calculating the third approximation of the right 0 of f(x) =x* - 6, starting with x, = 1, is (Round to four decimal places.)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Newton's Method for Approximating Roots**

To find the third approximation, \( x_2 \), of the positive fourth root of 6 using Newton's method, we need to calculate the third approximation of the right zero of the function \( f(x) = x^4 - 6 \). 

The initial guess is \( x_0 = 1 \).

**Steps:**

1. **Function Definition:**
   - \( f(x) = x^4 - 6 \)

2. **Using Newton's Method:**
   - Formula: \( x_{n+1} = x_n - \frac{f(x_n)}{f'(x_n)} \)
   - Derivative: \( f'(x) = 4x^3 \)
   
3. **Calculations:**
   - Start with \( x_0 = 1 \).
   - Compute successive approximations using the formula until you reach \( x_2 \).

\( x_2 \) is the third approximation of the fourth root of 6.

**Note:**
Be sure to round your answer to four decimal places.

---

This exercise is an example of applying iterative methods to approximate roots of functions, demonstrating both mathematical computation and practical application.
Transcribed Image Text:**Newton's Method for Approximating Roots** To find the third approximation, \( x_2 \), of the positive fourth root of 6 using Newton's method, we need to calculate the third approximation of the right zero of the function \( f(x) = x^4 - 6 \). The initial guess is \( x_0 = 1 \). **Steps:** 1. **Function Definition:** - \( f(x) = x^4 - 6 \) 2. **Using Newton's Method:** - Formula: \( x_{n+1} = x_n - \frac{f(x_n)}{f'(x_n)} \) - Derivative: \( f'(x) = 4x^3 \) 3. **Calculations:** - Start with \( x_0 = 1 \). - Compute successive approximations using the formula until you reach \( x_2 \). \( x_2 \) is the third approximation of the fourth root of 6. **Note:** Be sure to round your answer to four decimal places. --- This exercise is an example of applying iterative methods to approximate roots of functions, demonstrating both mathematical computation and practical application.
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