document.write( "Question 508190: Im having problems with recursive sequences (An= 3an-1), my secuence is 5,15,45,135... and im trying to make sure how to get 15 with these formula \n" ); document.write( "
Algebra.Com's Answer #340887 by tinbar(133)![]() ![]() ![]() You can put this solution on YOUR website! Your formula is correct. You just need to mention the first term A1 = 5. \n" ); document.write( "Then your formula says for the nth term in the sequence, An, you take the previous term A(n-1) and multiply it by 3.\r \n" ); document.write( "\n" ); document.write( "So the first term is 5, then the second term is 5*3 = 15, then the third term is 15*3 = 45 and so on \n" ); document.write( " |