Solving Divergent Integral: -infinity Correct?

In summary, a divergent integral is an integral where the limit of integration is -infinity and the function being integrated does not approach a finite value as the limit approaches -infinity. It is important to solve these integrals as they are often encountered in real-world applications and theoretical mathematics, allowing for a deeper understanding of function behavior and more accurate predictions in various fields. Techniques such as Cauchy principal value, regularization, and analytic continuation can be used to solve divergent integrals with a limit of -infinity, but not all integrals can be solved. Divergent integrals differ from convergent integrals in that they do not have a finite solution and require more advanced methods to obtain a solution, which may not always be unique.
  • #1
n.a.s.h
18
0

Homework Statement


I had to solve the integral...After all my work i got -infinity
3
integral sign 1/ [(t-3)^4/3]
1


Homework Equations





The Attempt at a Solution


-infinity...is this correct? and would this be divergent?
 
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  • #2
The expression

[tex]
\frac{1}{(t - 3)^{4/3}}
[/tex]

is complex for [itex]t < 3[/itex].
 
  • #3
Yes, it is divergent.
 
  • #4
It has a real root for t<3, so that's not a problem. I would check how you got the sign on that -[itex]\infty[/itex], though.
 

Related to Solving Divergent Integral: -infinity Correct?

1. What is a divergent integral?

A divergent integral is an integral where the limit of integration is -infinity and the function being integrated does not approach a finite value as the limit approaches -infinity. This means that the integral does not exist in the traditional sense, but can sometimes be solved using advanced mathematical techniques.

2. Why is it important to solve divergent integrals?

Solving divergent integrals is important because they often arise in real-world applications and theoretical mathematics. By finding a solution, we can gain a deeper understanding of the behavior of functions and make more accurate predictions in various fields such as physics, engineering, and economics.

3. How do you solve a divergent integral with a limit of -infinity?

There are several techniques that can be used to solve divergent integrals with a limit of -infinity. Some common methods include using Cauchy principal value, regularization, and analytic continuation. These techniques involve manipulating the integrand or changing the integration path to obtain a well-defined solution.

4. Can all divergent integrals be solved?

No, not all divergent integrals can be solved. Some integrals are inherently divergent and do not have a finite value no matter what techniques are used. In these cases, the integral is said to be non-integrable or have a non-convergent solution.

5. How do divergent integrals differ from convergent integrals?

Divergent integrals differ from convergent integrals in that they do not have a finite solution. Convergent integrals, on the other hand, have a well-defined solution that can be calculated using standard integration techniques. Divergent integrals require more advanced methods to obtain a solution, and their solutions may not always be unique.

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