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#782667 - 01/23/12 12:53 PM Lotsa squares
CanukDenis Online   content
Adept Boomer

Registered: 11/26/00
Posts: 13284
Loc: Ottawa Ontario Canada
u, v, w and x are 4 positive integers: x > w > v > u > 0

u+v, u+w, u+x, v+w, v+x and w+x are all squares.

BONUS: u+v+w+x is also a square...you're welcome.

I'll give you u+v = 5184

Armed with that knowledge, go find u,v,w,x.

Yes, computer help allowed.
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I'm a man of few words...but I use them often!

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#785096 - 02/02/12 08:13 PM Re: Lotsa squares [Re: CanukDenis]
CanukDenis Online   content
Adept Boomer

Registered: 11/26/00
Posts: 13284
Loc: Ottawa Ontario Canada
Geesh...almost forgot about this one....hint:

Let a^2 = u+v, f^2 = w+x, g^2 = u+v+w+x.
OK; since g^2 = u+v + w+x, then g^2 = a^2 + f^2 :
a right triangle with legs 72 and f, hypotenuse g.

So that greatly reduces "the search".
_________________________
I'm a man of few words...but I use them often!

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#786845 - 02/10/12 09:38 AM Re: Lotsa squares [Re: CanukDenis]
CanukDenis Online   content
Adept Boomer

Registered: 11/26/00
Posts: 13284
Loc: Ottawa Ontario Canada
Time's up, I guess...

Click to reveal..

u = 590
v = 4594
w = 5810
x = 17906

example: u + w = 590+5810 = 6400 = 80^2
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I'm a man of few words...but I use them often!

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