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1–22 of 22
Dave L. Renfro
2
5/25/10
A neat infinite series sum
to apply
L
'Hopital's rule 50 times. (You'll see an obvious pattern after the first couple of times.) You can also make the variable change m = (ln n), which changes things
unread,
A neat infinite series sum
to apply
L
'Hopital's rule 50 times. (You'll see an obvious pattern after the first couple of times.) You can also make the variable change m = (ln n), which changes things
5/25/10
Rascuache
, …
oppt
9
2/19/09
Limit question
How can I see that the limit of (1/2)n * ln[1 + (2x/n) + ((x^2 + y^2) / n^2) ] goes to x as n goes to
unread,
Limit question
How can I see that the limit of (1/2)n * ln[1 + (2x/n) + ((x^2 + y^2) / n^2) ] goes to x as n goes to
2/19/09
Alan B Fabian
, …
David Bernier
44
7/29/08
i am looking for a couple ALMOST impossible math problems-Alan B Fabian
i am a relatively new teacher and i want something to really push my advanced math class. i have a
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i am looking for a couple ALMOST impossible math problems-Alan B Fabian
i am a relatively new teacher and i want something to really push my advanced math class. i have a
7/29/08
amy666
, …
Bill Dubuque
16
5/6/08
opponents of taylor and l'hospital ?
some while ago when talking about limits , i used l'hospitals rule or taylor series. i was then
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opponents of taylor and l'hospital ?
some while ago when talking about limits , i used l'hospitals rule or taylor series. i was then
5/6/08
amy666
, …
Bill Dubuque
14
3/5/08
amy paradox
ax^2 + bx + c = 0 for a = 0 x = -c / b for a =/= 0 x = [-b + sqrt(b^2 - 4ac)]/2a we dont see the
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amy paradox
ax^2 + bx + c = 0 for a = 0 x = -c / b for a =/= 0 x = [-b + sqrt(b^2 - 4ac)]/2a we dont see the
3/5/08
shapper
, …
Dave L. Renfro
7
1/10/08
Limit.
Hello, I came across a limit which I am having trouble to solve. I applied L'Hopital rule but I
unread,
Limit.
Hello, I came across a limit which I am having trouble to solve. I applied L'Hopital rule but I
1/10/08
__
, …
Ross A. Finlayson
17
1/5/08
inventor of calculus
who is the most important inventor of calculus? Newton or Leibniz??
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inventor of calculus
who is the most important inventor of calculus? Newton or Leibniz??
1/5/08
shapper
, …
Dave L. Renfro
23
10/11/08
Limits
Hello, I am looking for a few limits problems to give to my students. I am looking for university
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Limits
Hello, I am looking for a few limits problems to give to my students. I am looking for university
10/11/08
Dave L. Renfro
,
The World Wide Wade
3
8/16/07
A neat 1^infinity indeterminate example
logarithms and
L
'Hopital's rule, I noticed it easily generalized to what I posted. Although I didn't try to evaluate it using another approach, I doubt I would have come
unread,
A neat 1^infinity indeterminate example
logarithms and
L
'Hopital's rule, I noticed it easily generalized to what I posted. Although I didn't try to evaluate it using another approach, I doubt I would have come
8/16/07
hotice
, …
The World Wide Wade
13
3/26/07
derivative
how to slove this problem ftp://172.25.53.21/image/002.gif thank you very much
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derivative
how to slove this problem ftp://172.25.53.21/image/002.gif thank you very much
3/26/07
Stephen J. Herschkorn
, …
Herman Rubin
18
11/17/06
A limit stumper
I was helping a student with calculus, and he posed me this problem assigned by his professor:
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A limit stumper
I was helping a student with calculus, and he posed me this problem assigned by his professor:
11/17/06
Dave L. Renfro
, …
Pubkeybreaker
9
7/17/06
Ten all-time most influential math books
exception of
L
'Hopital's 1696 text. As for algebra, Van der Waerden's "Algebra" might be a contender. However, I think Gauss' "Disquisitiones
unread,
Ten all-time most influential math books
exception of
L
'Hopital's 1696 text. As for algebra, Van der Waerden's "Algebra" might be a contender. However, I think Gauss' "Disquisitiones
7/17/06
mina_world
, …
Ronald Bruck
6
7/3/06
diverge...
show by
L
'Hopital's rule, so it diverges by comparison with the harmonic series. In fact, the series {n^(-p) * (log n)^(-q)} diverges for all (p,q) belonging to (-oo, 1) x (
unread,
diverge...
show by
L
'Hopital's rule, so it diverges by comparison with the harmonic series. In fact, the series {n^(-p) * (log n)^(-q)} diverges for all (p,q) belonging to (-oo, 1) x (
7/3/06
David W. Cantrell
, …
Robert Israel
7
4/6/06
Regarding tan(x) = x
, Dave
L
.
Renfro
wrote: > > > > > David W. Cantrell wrote (in part): > > > > > > > Sorry for the delay in responding, but I can't see why > >
unread,
Regarding tan(x) = x
, Dave
L
.
Renfro
wrote: > > > > > David W. Cantrell wrote (in part): > > > > > > > Sorry for the delay in responding, but I can't see why > >
4/6/06
Invalid...@gmail.com
, …
Dave L. Renfro
9
1/12/06
Derivative formulas
What is the derivative of 8^2x?
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Derivative formulas
What is the derivative of 8^2x?
1/12/06
Luke Wu
, …
The World Wide Wade
14
1/12/06
l'hospital's rule - why the condition?
a for
l
'Hopital's Rule to > be valid as x -> a, not whether you need g'(x) <> 0. I was in a hurry (I was at work, had a little free time, and then something came up
unread,
l'hospital's rule - why the condition?
a for
l
'Hopital's Rule to > be valid as x -> a, not whether you need g'(x) <> 0. I was in a hurry (I was at work, had a little free time, and then something came up
1/12/06
Phimath
, …
William Elliot
12
11/4/05
mathematical analysis
Question: lim(n*(exp(1/n)-1))^n = ? I have spend much time on this problem, but even now I don't
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mathematical analysis
Question: lim(n*(exp(1/n)-1))^n = ? I have spend much time on this problem, but even now I don't
11/4/05
Dave L. Renfro
, …
Robin Chapman
5
2/14/05
Re: [tan(sin x) - sin(tan x)]/(x^7) as x --> 0
> Dave
L
.
Renfro
wrote: > > > In the sci.math thread "[tan(sin x) - sin(tan x)]/(x^7) > > as x --> 0" I've posted two references about an interesting
unread,
Re: [tan(sin x) - sin(tan x)]/(x^7) as x --> 0
> Dave
L
.
Renfro
wrote: > > > In the sci.math thread "[tan(sin x) - sin(tan x)]/(x^7) > > as x --> 0" I've posted two references about an interesting
2/14/05
Dave L. Renfro
,
Axel Vogt
4
5/5/03
A Special integration
DoubleX <tanht@pd.jaring.my> [sci.math May 2 2003 9:47:19:000AM] http://mathforum.org/discuss/
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A Special integration
DoubleX <tanht@pd.jaring.my> [sci.math May 2 2003 9:47:19:000AM] http://mathforum.org/discuss/
5/5/03
William Elliot
, …
The World Wide Wade
12
1/11/03
L'Hopital for R^n
Posted by: Farfan at Ask An Analyst Is there any extension of/version of L'Hopital's rule for
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L'Hopital for R^n
Posted by: Farfan at Ask An Analyst Is there any extension of/version of L'Hopital's rule for
1/11/03
Dave L. Renfro
8/30/01
WEB PAGES FOR REAL ANALYSIS
) Dave
L
.
Renfro
***************************************************************** ***************************************************************** ********
unread,
WEB PAGES FOR REAL ANALYSIS
) Dave
L
.
Renfro
***************************************************************** ***************************************************************** ********
8/30/01
tendim
, …
Erik Max Francis
20
11/17/00
Why does X = SIN X for very small X in Radians?
Michael Dave
L
.
Renfro
wrote in message ... >Michael >[sci.math Wed, 8 Nov 2000 23:31:23 -0500] > > >wrote > >> Just a side note, this graphical analysis is
unread,
Why does X = SIN X for very small X in Radians?
Michael Dave
L
.
Renfro
wrote in message ... >Michael >[sci.math Wed, 8 Nov 2000 23:31:23 -0500] > > >wrote > >> Just a side note, this graphical analysis is
11/17/00