RE: INTEGRALS

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2 total messages Started by Sheila King Wed, 20 Jan 1993 02:07

#490

Author: Sheila King
Date: Wed, 20 Jan 1993 02:07

13 lines
861 bytes

To: Ka Ya Chun

-> I{-2,2} 1/x dx = -1/x^2 [-2,2]

Didn't you just do the derivative of 1/x instead of the integral?

Sheila
coming to you from Diamond Bar, CA (in Los Angeles County)
                                                                        

--  
uucp: uunet!m2xenix!puddle!103!315!Sheila.King
Internet: Sheila.King@f315.n103.z1.fidonet.org

Re: INTEGRALS

#498

Author: Ka Chun Yu
Date: Thu, 21 Jan 1993 23:01

17 lines
1037 bytes

In article <40112.2B5EBAC4@puddle.fidonet.org> Sheila.King@f315.n103.z1.fidonet.org (Sheila King) writes:
>To: Ka Ya Chun
>
>-> I{-2,2} 1/x dx = -1/x^2 [-2,2]
>
>Didn't you just do the derivative of 1/x instead of the integral?

Major oops there.  Boy do I feel like a dope--especially having read
through so many of the responses to your post.  Yes, you're right.
Replace those silly -1/x^2 's with ln x 's.

>
>Sheila
>coming to you from Diamond Bar, CA (in Los Angeles County)
>                                                                        

--kachun

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