Derivative Help: Defining ((d/dx)-1)y & Proving Property

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Homework Help Overview

The discussion revolves around defining a differential operator, specifically the operator T = (d/dx) - 1, and exploring its properties. Participants are examining how this operator applies to functions, particularly in the context of proving certain properties related to derivatives.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • The original poster attempts to understand the definition of the operator and its application to a function, questioning if ((d/dx)-1)y equates to dy/dx - y. Another participant clarifies the linearity of the operator and suggests proving this property. There is also a query about applying the operator to a specific function, x^2, and whether the result is 2x - x^2.

Discussion Status

The discussion is active, with participants providing insights into the nature of the differential operator and its implications. Some guidance has been offered regarding the operator's linearity and its application, but there is no explicit consensus on the definitions or proofs being sought.

Contextual Notes

Participants are working within the constraints of a homework problem, which may limit the information available for resolving the definitions and properties of the operator. There is an emphasis on understanding rather than providing complete solutions.

annoymage
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Homework Statement



let y be the function of x

how do i define ((d/dx)-1)y
is it dy/dx -y ? if so, which definition should i know to proof this property? help help
 
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You have defined a differential operator:
[tex] T=\frac{d}{dx}-1[/tex]
It is a linear operator, this is clear but it can be proven.
 
differential operator thanks, I'm looking forward to that, but before that,

what should i do to resolve ((d/dx)-1)x^2

how to do that?

2x-x^2?
 
Correct! Your differential operator says that given a function I should differentiate it and take away the original function.

Mat
 

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