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## #1 2009-03-01 04:06:22

ganesh
Registered: 2005-06-28
Posts: 24,257

### Square Roots

I. Find the square roots of

(1)

(2)

(3)

(4)

II. Show that

.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #2 2009-04-20 19:17:39

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Square Roots

Hi ganesh;

Last edited by bobbym (2009-04-20 22:32:41)

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #3 2009-04-21 17:49:09

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Square Roots

Hi ganesh

for (2)

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #4 2009-04-21 18:55:20

smiyc86
Member
Registered: 2009-03-19
Posts: 78

### Re: Square Roots

hi ganesh,

I love Maths and Music ... dunno which more

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## #5 2009-04-25 15:44:51

nurshodiq
Member
Registered: 2009-03-29
Posts: 12

### Re: Square Roots

Last edited by nurshodiq (2009-04-25 15:57:19)

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## #6 2009-04-25 16:03:18

nurshodiq
Member
Registered: 2009-03-29
Posts: 12

### Re: Square Roots

How many pairs of natural number (x,y) with

prime

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## #7 2009-04-27 00:16:34

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Square Roots

Hi nurshodiq;

I think that

is the only solution.

Since it factors into:

and both of those terms are greater than 1 for all

must consist of 2 or more primes or two or more composites so

cannot be prime

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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