2.) Use the chain cule to find dz and d ond guen the fllowng: Yoy must show in work that your the chain rule you are using 2. 25- こ
2.) Use the chain cule to find dz and d ond guen the fllowng: Yoy must show in work that your the chain rule you are using 2. 25- こ
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![**Using the Chain Rule to Find Derivatives**
**Objective:**
To use the chain rule to find the derivatives \(\frac{dz}{ds}\) and \(\frac{dz}{dt}\).
**Given:**
- You must demonstrate in your work that you are using the chain rule.
- Equations:
\[
z = x^2y + tx
\]
\[
x = s^2 + 3t
\]
\[
y = 25 - t
\]
**Instructions:**
1. Identify the variables and their relationships:
- \(z\) is a function of \(x\), \(y\), and \(t\).
- \(x\) is a function of \(s\) and \(t\).
- \(y\) is a function of \(t\).
2. Apply the chain rule:
- Differentiate \(z\) with respect to \(s\) and \(t\) by using the chain rule to incorporate the dependence of \(z\) on \(x\), \(y\), and directly on \(t\).
3. For \(\frac{dz}{ds}\), consider how \(x\) and thus \(z\) changes with \(s\).
4. For \(\frac{dz}{dt}\), account for the changes in \(x\), \(y\), and \(t\).
**Note:**
Organize your work clearly to demonstrate the use of the chain rule in obtaining derivatives.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7dbb4ae4-0d65-4baa-9481-63f79be91eca%2Fc0353be8-be65-478f-9f59-3e827fa3383d%2F0sbz20i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Using the Chain Rule to Find Derivatives**
**Objective:**
To use the chain rule to find the derivatives \(\frac{dz}{ds}\) and \(\frac{dz}{dt}\).
**Given:**
- You must demonstrate in your work that you are using the chain rule.
- Equations:
\[
z = x^2y + tx
\]
\[
x = s^2 + 3t
\]
\[
y = 25 - t
\]
**Instructions:**
1. Identify the variables and their relationships:
- \(z\) is a function of \(x\), \(y\), and \(t\).
- \(x\) is a function of \(s\) and \(t\).
- \(y\) is a function of \(t\).
2. Apply the chain rule:
- Differentiate \(z\) with respect to \(s\) and \(t\) by using the chain rule to incorporate the dependence of \(z\) on \(x\), \(y\), and directly on \(t\).
3. For \(\frac{dz}{ds}\), consider how \(x\) and thus \(z\) changes with \(s\).
4. For \(\frac{dz}{dt}\), account for the changes in \(x\), \(y\), and \(t\).
**Note:**
Organize your work clearly to demonstrate the use of the chain rule in obtaining derivatives.
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We have to find partial derivatives.
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