document.write( "Question 1084448: prove that p(n,n)= 2p(n,n-2) \n" ); document.write( "
\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "So they are equal.\r\n" ); document.write( "\r\n" ); document.write( "Edwin