document.write( "Question 1008542: solve for n if P(n,3) = 24C(n,4) \n" ); document.write( "
Algebra.Com's Answer #624170 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve for n if P(n,3) = 24C(n,4) \n" ); document.write( "-------- \n" ); document.write( "n!/(n-3)! = 24 \n" ); document.write( "------------ \n" ); document.write( "n(n-1)(n-2) = 24 * [n(n-1)(n-2)(n-3)/24] \n" ); document.write( "--------- \n" ); document.write( "n(n-1)(n-2) = [n(n-1)(n-2)(n-3)] \n" ); document.write( "----- \n" ); document.write( "n-3 = 1 \n" ); document.write( "n = 4 \n" ); document.write( "---- \n" ); document.write( "Checking:: \n" ); document.write( "P(4,3) = 24*C(4,4) \n" ); document.write( "4!/1! = 24*1 \n" ); document.write( "--- \n" ); document.write( "24 = 24 \n" ); document.write( "--------------- \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \n" ); document.write( " |