tut_einstein said – Sun, 26 Oct 2008 03:01:50 -0000 ( Link )
Show that there are infinitely many positive integers A such that 2A is a square, 3A is a cube and 5A is the fifth power of a number.
I’ve the solution too, but I can’t really understand it. I’ve given it below, if it’ll help u:
http://www.isibang.ac.in/~sury/krmosol95-00.pdf
it’s the first question when u go to the above site.
thnks.
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