document.write( "Question 430444: FInd the value of a and b if
\n" ); document.write( "(5^(n+1)-5^(n-1))/(3x5^(3n))=ax5^(bn)
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Algebra.Com's Answer #298946 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"%285%5E%28n%2B1%29+-+5%5E%28n-1%29%29%2F%283%2A5%5E%283n%29%29+=+a%2A5%5E%28bn%29\"
\n" ); document.write( "<==> \"%2825%2A5%5E%28n-1%29+-+5%5E%28n-1%29%29%2F%283%2A5%5E%283n%29%29=+a%2A5%5E%28bn%29\"
\n" ); document.write( "<==> \"%2824%2A5%5E%28n-1%29%29%2F%283%2A5%5E%283n%29%29=+a%2A5%5E%28bn%29\"
\n" ); document.write( "<==> \"8%2A5%5E%28-2n-1%29+=+a%2A5%5E%28bn%29\"
\n" ); document.write( "==> \"%288%2F5%29%2A5%5E%28-2n%29+=+a%2A5%5E%28bn%29\"
\n" ); document.write( "==> \"a+=+8%2F5\" and b = -2, by direct comparison.\r
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