Integrating: [tex]/frac{exp(ikx)}{k^2+a^2}[/tex]

  • Thread starter VatanparvaR
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In summary, To integrate [tex]/frac{exp(ikx)}{k^2+a^2}[/tex], ask homework questions in the homework forum and indicate what you've already tried or thought about the problem. This integral may have physical meaning and can be solved using the residue theorem through a contour integral. It is not divergent.
  • #1
VatanparvaR
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Plz, help to integrate this:

[tex] /int_{-/infinity}^{+/infinity}dk /frac{exp(ikx)}{k^2+a^2}[ /tex ]
 
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  • #2
(1) Ask homework questions in the homework forum.
(2) This is a help forum, not an answer forum. You need to indicate what you've already tried, or what thoughts you've had on the problem.
 
  • #3
Hurkyl said:
(1) Ask homework questions in the homework forum.
(2) This is a help forum, not an answer forum. You need to indicate what you've already tried, or what thoughts you've had on the problem.

What I think is that it is a divergent integral. But it is given in the book. So, maybe it has any physical meaning ?!
 
  • #4
VatanparvaR said:
What I think is that it is a divergent integral. But it is given in the book. So, maybe it has any physical meaning ?!

I just answered a similar question yesterday. Here's the answer: "Set up a contour integral and use the residue theorem." It's not divergent.
 

What is the meaning of "Integrating: [tex]/frac{exp(ikx)}{k^2+a^2}[/tex]"?

Integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] means finding the solution to the definite integral of the given function. It involves finding the area under the curve of the function within a specified interval.

Why is integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] important in science?

Integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] is important in science because it allows us to solve complex problems and model real-world phenomena. In many scientific fields, such as physics and engineering, integration is used to analyze and understand systems and processes.

What are the steps to integrate [tex]/frac{exp(ikx)}{k^2+a^2}[/tex]?

The steps to integrate [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] involve using techniques such as substitution and integration by parts. The first step is to identify the variable and constants in the function, then apply the appropriate integration technique to solve the integral.

What are some applications of integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] in science?

Integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] has many applications in science. It is used in fields such as physics and engineering to analyze systems and phenomena, in economics to model economic growth and changes, and in statistics to calculate probabilities and expected values.

What are common mistakes to avoid when integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex]?

Common mistakes to avoid when integrating [tex]/frac{exp(ikx)}{k^2+a^2}[/tex] include forgetting to add the constant of integration, making errors in the substitution or integration by parts process, and forgetting to change the limits of integration when using substitution. It is also important to carefully check the final solution for any algebraic mistakes.

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