The question is:- does 12 divide the product of the pythagorean triangle?

My answer is that yes,

since

I don't know if this is correct, but how can I prove this.(Headbang)

2)

if and , show that a and b are nth powers

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- April 8th 2009, 06:38 PMSally_Mathpythagorean
The question is:- does 12 divide the product of the pythagorean triangle?

My answer is that yes,

since

I don't know if this is correct, but how can I prove this.(Headbang)

2)

if and , show that a and b are nth powers - April 9th 2009, 09:01 PMAryth
This is for the case

If r, s, and t are positive integers such that (r,s) = 1 and , then there are integers m and n such that and .

If r = 1 or s = 1, then this is obviously true, so we may suppose that r > 1 and s > 1. Let the prime-power factorizations of r, s, and t be

and

.

Because (r,s) = 1, the primes occurring in the factorizations of r and s are distinct. Because , we have

From the fundamental theorem of arithmetic, the prime-powers occurring on the two sides of the above equation are the same. Hence, each must be equal to for some j with matching exponents, so that . Consequently, every exponent is even, and therefore is an integer. We see that and , where m and n are the integers

Maybe this will help make a general case.