document.write( "Question 331634: How many different arrangements of the letters of word \"Doodle\" are possible? \n" ); document.write( "
Algebra.Com's Answer #237742 by jrfrunner(365)![]() ![]() You can put this solution on YOUR website! I assume that D and d are the same (ie not distinguishable because of capitalization)\r \n" ); document.write( "\n" ); document.write( "there are 6 letters and these letters can be arranged in 6! different ways\r \n" ); document.write( "\n" ); document.write( "6!=720\r \n" ); document.write( "\n" ); document.write( "but...... there are 2 \"d\"s and 2 \"o\"s which are indistinguishable \n" ); document.write( "some of these arrangements will be the same and wil need to be accounted for \n" ); document.write( "====== \n" ); document.write( "So the answer is 6!/(2!*2!) = 180 different arrangements. \n" ); document.write( " \n" ); document.write( " |