document.write( "Question 559896: easy way to understand permutation and combinations. \n" ); document.write( "
Algebra.Com's Answer #363552 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! Permutation (nPr): number of ways to choose r objects from a collection of n, assuming that order matters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Combination (nCr): number of ways to choose r objects from a collection of n, assuming that order doesn't matter\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note the subtle \"difference\" between the two. \n" ); document.write( " |