document.write( "Question 38032: Find the ninth term in the expansion of (3a-b)^12 I have absolutely no idea how to do this. Please help. \n" ); document.write( "
Algebra.Com's Answer #23528 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the ninth term in the expansion of (3a-b)^12 \r \n" ); document.write( "\n" ); document.write( "The ninth terms is 12C8(3a)^8(-b)^(4)= 495(6561a^8)(b^4) \n" ); document.write( "=3247695a^8b^4 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |