document.write( "Question 1063543: A family picture is to be taken by lining up the parent at the center, 3 sons on the lft, and 4 daughters on the right. In how many ways can this be done?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #678642 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "3! permutations for 3 sons on the left, 2! permutations for the parents at the center and 4! permutations for 4 daughters on the right.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In all, 3!*2!*4! = 6*2*24 = 288 ways.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "On Permutations, see the lessons\r \n" ); document.write( "\n" ); document.write( " - Introduction to Permutations\r \n" ); document.write( "\n" ); document.write( " - PROOF of the formula on the number of Permutations\r \n" ); document.write( "\n" ); document.write( " - Problems on Permutations\r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-II in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Combinatorics: Combinations and permutations\". \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |