document.write( "Question 1204431: Determine whether 280 is a term in the G.P 1,3,9,27… \n" ); document.write( "
Algebra.Com's Answer #840678 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "Determine whether 280 is a term in the G.P 1,3,9,27…\r \n" ); document.write( "\n" ); document.write( "a= 1 \n" ); document.write( "r=3 \n" ); document.write( "An =280\r \n" ); document.write( "\n" ); document.write( "tn= a*r^(n-1) \n" ); document.write( " \n" ); document.write( "280 = 1*3^(n-1)\r \n" ); document.write( "\n" ); document.write( "When we calculate, n is not a whole number so it is not a term in the given GP\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |