document.write( "Question 956911: Give Proof that 9^n-7^n is divisible by 32
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Algebra.Com's Answer #584630 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
I can give proof that it's not.
\n" ); document.write( "For $\"n=3\"$ ,
\n" ); document.write( " $\"9%5E3-7%5E3=729-343=386\"$
\n" ); document.write( " $\"386%2F32=193%2F16\"$
\n" ); document.write( "So you won't find a proof that it is.
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