Apply the rule of integration by parts. -S Sudv. dv = uv - du = Let dv= ew dw and integrate the differential equation to obtain the function v. v=[ov = [H ² ON = [ Se V ew dw And let u cos w. Differentiate u in terms of w. du dw

Calculus: Early Transcendentals
8th Edition
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Author:James Stewart
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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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**Integration by Parts**

Apply the rule of integration by parts:

\[ \int u \, dv = uv - \int \boxed{} \, du \]

1. Let \( dv = e^w \, dw \) and integrate the differential equation to obtain the function \( v \).

\[ v = \int dv = \int e^w \, dw = \boxed{} \]

2. And let \( u = \cos w \). Differentiate \( u \) in terms of \( w \).

\[ du = \boxed{} \, dw \]
Transcribed Image Text:**Integration by Parts** Apply the rule of integration by parts: \[ \int u \, dv = uv - \int \boxed{} \, du \] 1. Let \( dv = e^w \, dw \) and integrate the differential equation to obtain the function \( v \). \[ v = \int dv = \int e^w \, dw = \boxed{} \] 2. And let \( u = \cos w \). Differentiate \( u \) in terms of \( w \). \[ du = \boxed{} \, dw \]
### Evaluating the Integral Using Substitution and Integration by Parts

We aim to evaluate the integral 

\[ \int \cos(\ln x) \, dx \]

using substitution first, followed by integration by parts.

#### Step 1: Substitution
To find the integral \(\int \cos(\ln x) \, dx \), we will perform a substitution and then use the formula for integration by parts.

1. Let \( w = \ln x \). We need the derivative of \( w \) in terms of \( x \).

\[ dw = \frac{1}{x} \, dx \]

2. From this, we can express \( dx \):

\[ dx = e^w \, dw \]

3. Substituting \( w \) and \( dx \), the integral becomes:

\[ \int \cos(\ln x) \, dx = \int \cos(w) \, e^w \, dw \]

We are now prepared to proceed with integration by parts in the next steps.
Transcribed Image Text:### Evaluating the Integral Using Substitution and Integration by Parts We aim to evaluate the integral \[ \int \cos(\ln x) \, dx \] using substitution first, followed by integration by parts. #### Step 1: Substitution To find the integral \(\int \cos(\ln x) \, dx \), we will perform a substitution and then use the formula for integration by parts. 1. Let \( w = \ln x \). We need the derivative of \( w \) in terms of \( x \). \[ dw = \frac{1}{x} \, dx \] 2. From this, we can express \( dx \): \[ dx = e^w \, dw \] 3. Substituting \( w \) and \( dx \), the integral becomes: \[ \int \cos(\ln x) \, dx = \int \cos(w) \, e^w \, dw \] We are now prepared to proceed with integration by parts in the next steps.
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