N nikolany New member Joined Nov 5, 2008 Messages 4 Nov 5, 2008 #1 need some help with this question Let (a,b)=1 and ab=c^2. Show that a and b are perfect squares. Thank you
need some help with this question Let (a,b)=1 and ab=c^2. Show that a and b are perfect squares. Thank you
D Deleted member 4993 Guest Nov 5, 2008 #2 Re: pls help nikolany said: need some help with this question Let (a,b)=1 and ab=c^2. Show that a and b are perfect squares. Thank you Click to expand... Please share with us your thoughts/work, indicating exactly where you are stuck, so that we know where to begin to help you.
Re: pls help nikolany said: need some help with this question Let (a,b)=1 and ab=c^2. Show that a and b are perfect squares. Thank you Click to expand... Please share with us your thoughts/work, indicating exactly where you are stuck, so that we know where to begin to help you.
N nikolany New member Joined Nov 5, 2008 Messages 4 Nov 5, 2008 #3 Re: pls help I think I should use prime factorization for a , b and c but can't start.
D Deleted member 4993 Guest Nov 5, 2008 #4 go to: viewtopic.php?f=2&t=31233 and look at the reply posted by pka. You'll need to follow similar logic.
go to: viewtopic.php?f=2&t=31233 and look at the reply posted by pka. You'll need to follow similar logic.