Integration by Parts: Solve Integral of (1-x)

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Homework Help Overview

The discussion revolves around solving the integral of the function (1-x) multiplied by the derivative of (sin(Cx)/C) over the interval from 0 to 1. The subject area involves integration techniques, specifically integration by parts.

Discussion Character

  • Exploratory, Mathematical reasoning, Assumption checking

Approaches and Questions Raised

  • Participants attempt to identify the components for integration by parts, specifically defining u and dv. Questions are raised about how to determine v and the nature of the constant C. There is also a query regarding the integration of the derivative of sin(Cx)/C.

Discussion Status

The discussion is ongoing, with participants exploring different aspects of the integral and questioning the assumptions about the constant C. Some guidance is provided through references to the Fundamental Theorem of Calculus, but no consensus or resolution has been reached.

Contextual Notes

There is uncertainty regarding the status of C as a constant and how it affects the integration process. Participants are also navigating the implications of differentiating and integrating the given function.

matematikuvol
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Homework Statement


Solve integral
[tex]\int^{1}_0(1-x)\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]

Homework Equations



[tex]\int udv=uv-\int vdu[/tex]



The Attempt at a Solution



[tex]u=1-x[/tex]

[tex]dv=\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]

What is [tex]v[/tex]?

How to integrate

[tex]\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]?
 
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matematikuvol said:

Homework Statement


Solve integral
[tex]\int^{1}_0(1-x)\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]

Homework Equations



[tex]\int udv=uv-\int vdu[/tex]



The Attempt at a Solution



[tex]u=1-x[/tex]

[tex]dv=\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]

What is [tex]v[/tex]?

How to integrate

[tex]\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]?

Is C a constant?

Why not just differentiate sin(Cx)/C?
 
matematikuvol said:
How to integrate

[tex]\frac{d}{dx}\frac{\sin Cx}{C}dx[/tex]?

What is the anti-derivative of a derivative?
 
Fundamental Theorem of Calculus!
 

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