How integrate 1/(x(1+x^2)^0.5) dx

It would be polite and respectful to put in the minimal effort required to write coherent sentences.In summary, the conversation discusses how to integrate the equation Integrate(1/(x(1+x^2)^0.5) dx. Suggestions are made to substitute x = sin y or x = tan y, and to use the identity 1 + sin^2 y = cos^2 y as a hint for changing variables. The individual asking for help is also reminded to proofread their responses before submitting.
  • #1
Yuravv
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0
Poster has been reminded to use the Homework Help Template and show their work
Hi everyone, Can you tell me how to integrate the following equation?
Integrate(1/(x(1+x^2)^0.5) dx
 
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  • #2
Hi Yuravv:

I suggest you try substituting x = sin y.

Hope that helps.

Regards,
Buzz
 
  • #3
Buzz Bloom said:
Hi Yuravv:

I suggest you try substituting x = sin y.

Hope that helps.

Regards,
Buzz
--------------------
this dos'n help , do you have any anther suggestion?
tanks a lot.
 
  • #4
Substitute ##x=\tan{y}##.
 
  • #5
Yuravv said:
Hi everyone, Can you tell me how to integrate the following equation?
Integrate(1/(x(1+x^2)^0.5) dx

Whenever you see something like ##\sqrt{1+x^2}## that is a reminder that ##1 + \sinh^2y = \cosh^2y##, suggesting that ##x = \sinh y## might be a good change of variables.
 
Last edited:
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Likes Buzz Bloom
  • #6
tanks a lot.
your answer helped me )
 
  • #7
Ray Vickson said:
Whenever you see something like ##\sqrt{1+x^2}## that is a reminder that ##1 + \sinh^2y = \cosh^2y##, suggesting that ##x = \sinh y## might be a good change of variables.

tanks this is help me )
 
  • #8
Yuravv said:
tanks this is help me )
So please show us your work on this integral using the hints you have received...
 
  • #9
Yuravv said:
--------------------
this dos'n help , do you have any anther suggestion?
tanks a lot.
Yes, please proofread what you've written before hitting submit.
 

Related to How integrate 1/(x(1+x^2)^0.5) dx

1. What is the formula for integrating 1/(x(1+x^2)^0.5) dx?

The formula for integrating 1/(x(1+x^2)^0.5) dx is ∫1/(x(1+x^2)^0.5) dx = (1/2)ln|1+√(1+x^2)| + C.

2. What is the technique for integrating 1/(x(1+x^2)^0.5) dx?

The technique for integrating 1/(x(1+x^2)^0.5) dx is substitution. Let u = 1+x^2, then du = 2xdx. Substituting in the original integral gives us ∫(1/2)du/u^0.5 which can be easily integrated.

3. Can the integral 1/(x(1+x^2)^0.5) dx be solved using u-substitution?

Yes, the integral 1/(x(1+x^2)^0.5) dx can be solved using u-substitution by letting u = 1+x^2 and substituting in the original integral to get ∫(1/2)du/u^0.5 which can be easily integrated.

4. Is there another method for integrating 1/(x(1+x^2)^0.5) dx?

Yes, there is another method for integrating 1/(x(1+x^2)^0.5) dx called trigonometric substitution. Let x = tanθ, then dx = sec^2θdθ. Substituting in the original integral and using trigonometric identities, the integral can be solved.

5. What are the limits of integration for integrating 1/(x(1+x^2)^0.5) dx?

The limits of integration for integrating 1/(x(1+x^2)^0.5) dx are determined by the problem or given equation. They can be any finite values or infinity depending on the context of the problem.

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