any help plz
hi every one
can any buby help me with these questions?
1. If a,b are in N*, if gratest common div.(a,b) & smallest com. mult.(a,b) are squares, show that a,b are squares.
2. Show that for every m>0 , a?1 we have
( a^m -1 / a-1 , a-1 ) = ( a-1 , m ).
3. show that any two terms in the sequance: 2+1, 2^2+1, 2^4+1, .. , 2^2n+1 are coprime .
thx alot Amer
but plz if u have a selution for the athors be generous
ant kareem wa n7n nastahal
in the second question you want to prove that
Originally Posted by miss blue
m>0 , is there any conditions on a
i copied it wrong
r is the reminder such that
r is the reminder
to find r sub a=1 you will have
the proof is finished