Here's the question you clicked on:
vishal_kothari
Prove that, up to congruence, there are exactly three right triangles whose side lengths are integers while the area is twice the perimeter..........
Instead of posting all these questions, just get the book: 100% Mathematical Proof
from where i could get this book...
Pretty sure you can find it on amazon.com. If not, let me know
ya i got it... can you suggest me some more books...
For proofs, that'll be the only one you'll need.
But if you want more, just go to amazon and research "proofs" in books
but it's quite expensive..
That's why I'm going to give you this: http://www.worldcat.org/
it's good ...thanks..