document.write( "Question 1002205: given 4 distinct objects, if you take 2 at the time, the possible number of combinations is equal 2 \n" ); document.write( "
Algebra.Com's Answer #619183 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Four taken two at a time makes for six combinations... \n" ); document.write( "4! / 2!(2!) = 4x3 / 2x1 = 6 \n" ); document.write( "Choose two from abcd... \n" ); document.write( "ab, ac, ad, bc, bd, and cd. \n" ); document.write( " |