document.write( "Question 839193: how to find the middle term of an ap if the no of terms are odd \n" ); document.write( "
Algebra.Com's Answer #506104 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "The middle term = the average of the first term and the last term.\r\n" ); document.write( "\r\n" ); document.write( "For example, the arithmetic sequence\r\n" ); document.write( "\r\n" ); document.write( "1, 4, 7, 10, 13, 16, 19\r\n" ); document.write( "\r\n" ); document.write( "which has 7 terms (7 is an odd number of terms),\r\n" ); document.write( "the average of the first and the last term is\n" ); document.write( " |