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## #1 2013-08-04 06:57:53

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

Make k the subject.

1/n = (k^+p^2/hg)^1/2

I have k=(hg/n^2-p^2) as the answer. But the book solved beyond my final solution,  and even had negative or positive sign in it.

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## #2 2013-08-04 07:04:43

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Hi;

What comes after the k^?

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #3 2013-08-04 10:07:25

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,124

If not, please modify this Latex so we know what the question is.

Thanks,

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #4 2013-08-04 10:36:25

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 14,846

I'd say it's:

Or maybe with k and p both in the denominator.

Last edited by anonimnystefy (2013-08-04 10:40:32)

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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## #5 2013-08-04 18:47:34

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,124

hi Stefy,

I'm sure you are right so here goes:

Ebenezerson:  That looks a bit like what you had.  But k is not yet the subject. We must deal with the square root:

Hope that is what you were wanting.

note:

You must not just invert all the fractions to get

Try with numbers:

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #6 2013-08-05 00:37:04

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

The  'k' squared plus the 'p' squared are on one platform, which is over the 'hg'.
And all of them are in a square root sign.

Thanks.

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## #7 2013-08-05 00:49:27

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

bobbym wrote:

Hi;

What comes after the k^?

"equal to sign" and after the sign, there is a "negative or positive  sign" which confound me much.

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## #8 2013-08-05 01:00:35

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

I am curious, which answer did you like?

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #9 2013-08-05 01:23:48

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

EbenezerSon wrote:

Make k the subject.

But the book has 1/n and a negative or positive sign after the "equl to sign", which is incomprehensible to me. Some help.

Please  solve it and you will definitly come across what I mean.

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## #10 2013-08-05 01:35:28

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Is post #4 the right problem?

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #11 2013-08-05 01:53:05

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

No.
the k squared plus the p squared are on one platform, all over "hg". That's all,

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## #12 2013-08-05 02:07:36

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Hi;

Have you considered using codecogs? Then you would be able to latex the problem.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #13 2013-08-05 02:28:38

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 14,846

I'd say this is the problem:

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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## #14 2013-08-05 02:31:58

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

Bobbym, I cant found them at the bottom of the open window. There are few that are found there.

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## #15 2013-08-05 02:34:57

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Is post #13 the form you want?

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #16 2013-08-05 02:59:49

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

Yes, correcto perfecto.

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## #17 2013-08-05 03:04:16

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #18 2013-08-05 03:19:53

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

the 'n' at the bottom carries a square why didnt you bring it?

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## #19 2013-08-05 03:21:21

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Sorry, I am not getting an n^2 just an n. I had Mathematica do that and he is never wrong.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #20 2013-08-05 03:31:54

EbenezerSon
Member
Registered: 2013-07-04
Posts: 230

If we take it from the start. the n has to be squared when the square root at the R.H is taking away.

By the way what is mathematica I am curious to know.

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## #21 2013-08-05 03:35:15

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 14,846

But, when you clear k of the square, you will be taking a square root, which means n will lose the square.

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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## #22 2013-08-05 03:36:27

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,747

Yes, the n^2 will disappear.

Mathematica is a computer program that is smarter than 1001 mathematicians.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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## #23 2013-08-05 03:39:04

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,124

square both sides

times hg

subtract p squared

square root

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #24 2013-08-05 03:42:28

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,124

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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## #25 2013-08-05 03:44:59

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,124

bobbym wrote:

Mathematica is a computer program that is smarter than 1001 mathematicians.

But just those 1001.  The rest of the mathematicians are still smarter.

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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