Use the given zero to find all the zeros of the function. (Enter your answers as a comma-separated list. Include the given zero in your answer.) Function Zero h(x) = x²9x³ + 23x² − 33x + 18 1-√2i X =

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
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### Finding All Zeros of the Polynomial Function

#### Problem Statement:

Use the given zero to find all the zeros of the function. (Enter your answers as a comma-separated list. Include the given zero in your answer.)

**Function:**
\[ h(x) = x^4 - 9x^3 + 23x^2 - 33x + 18 \]

**Given Zero:**
\[ 1 - \sqrt{2}i \]

#### Solution:

Please input your solution in the box below:

\[ x = \boxed{} \]

---

#### Additional Explanation:

When you find a complex zero of a polynomial with real coefficients, its conjugate is also a zero. If \(1 - \sqrt{2}i\) is a zero, then \(1 + \sqrt{2}i\) is also a zero. Using these zeros, you can perform polynomial division or use synthetic division to find the remaining zeros.

The process involves:
1. Verifying that both \(1 - \sqrt{2}i\) and \(1 + \sqrt{2}i\) are zeros.
2. Using these zeros to factor the polynomial and reduce its degree.
3. Solving the reduced polynomial to find the remaining real or complex zeros.

Feel free to enter your calculations and final answers in the provided input box.
Transcribed Image Text:### Finding All Zeros of the Polynomial Function #### Problem Statement: Use the given zero to find all the zeros of the function. (Enter your answers as a comma-separated list. Include the given zero in your answer.) **Function:** \[ h(x) = x^4 - 9x^3 + 23x^2 - 33x + 18 \] **Given Zero:** \[ 1 - \sqrt{2}i \] #### Solution: Please input your solution in the box below: \[ x = \boxed{} \] --- #### Additional Explanation: When you find a complex zero of a polynomial with real coefficients, its conjugate is also a zero. If \(1 - \sqrt{2}i\) is a zero, then \(1 + \sqrt{2}i\) is also a zero. Using these zeros, you can perform polynomial division or use synthetic division to find the remaining zeros. The process involves: 1. Verifying that both \(1 - \sqrt{2}i\) and \(1 + \sqrt{2}i\) are zeros. 2. Using these zeros to factor the polynomial and reduce its degree. 3. Solving the reduced polynomial to find the remaining real or complex zeros. Feel free to enter your calculations and final answers in the provided input box.
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