document.write( "Question 821563: sqrt(16a)/sqrt(4b) \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( " ****\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( " , \n" ); document.write( "