Maths Problems Thread
#10
(24 May 12, 06:19PM)Sarath Wrote: #1. c=sqr[a^2+b^2].
If. a and b are primes , then square root of a^2 + b^2 will not be an integer. To satisfy the
Pythagoras theorem a, b and c should be integers.

Seems a bit like hand-waving. Why cannot the square root of two primes squared be an integer? It's a correct statement but the proof of it is essentially as hard as the original question.
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Messages In This Thread
Maths Problems Thread - by Roflcopter - 24 May 12, 09:23AM
RE: Maths Problems Thread - by Marti - 24 May 12, 03:40PM
RE: Maths Problems Thread - by Habluka - 24 May 12, 04:39PM
RE: Maths Problems Thread - by Roflcopter - 24 May 12, 04:54PM
RE: Maths Problems Thread - by Mael - 24 May 12, 05:19PM
RE: Maths Problems Thread - by Roflcopter - 24 May 12, 05:50PM
RE: Maths Problems Thread - by tempest - 24 May 12, 05:38PM
RE: Maths Problems Thread - by Cemer - 24 May 12, 05:49PM
RE: Maths Problems Thread - by Flames - 24 May 12, 06:19PM
RE: Maths Problems Thread - by Roflcopter - 24 May 12, 06:39PM
RE: Maths Problems Thread - by RCJD - 25 May 12, 04:49AM
RE: Maths Problems Thread - by Flames - 25 May 12, 05:30AM
RE: Maths Problems Thread - by Roflcopter - 25 May 12, 08:28AM
RE: Maths Problems Thread - by jamz - 25 May 12, 08:23AM
RE: Maths Problems Thread - by Flames - 25 May 12, 09:50AM
RE: Maths Problems Thread - by Roflcopter - 26 May 12, 11:48PM
RE: Maths Problems Thread - by Mystered - 27 May 12, 12:15AM
RE: Maths Problems Thread - by Roflcopter - 27 May 12, 12:38AM
RE: Maths Problems Thread - by RCJD - 27 May 12, 01:51AM
RE: Maths Problems Thread - by Flames - 27 May 12, 04:10AM
RE: Maths Problems Thread - by RCJD - 27 May 12, 07:11PM
RE: Maths Problems Thread - by D1551D3N7 - 28 May 12, 12:05AM