document.write( "Question 687977: im trying to solve this problem showing step by step; nP6=5(nP5)it is alegebra 2 \n" ); document.write( "
Algebra.Com's Answer #425437 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! n P 6 = n(n-1)(n-2)(n-3)(n-4)(n-5)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n P 5 = n(n-1)(n-2)(n-3)(n-4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n P 6 = 5*( n P 5 )\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n(n-1)(n-2)(n-3)(n-4)(n-5) = 5 * [ n(n-1)(n-2)(n-3)(n-4) ]\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n-5 = 5 ... divide both sides by n(n-1)(n-2)(n-3)(n-4), \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this is last step only done if n doesn't equal 0, 1, 2, 3, or 4.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = 5+5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the answer is n = 10 \n" ); document.write( " |