What is the sum of the arithmetic sequence 3, 9, 15…, if there are 22 terms?
Here is the sequence.. 3,9,15,21,27,33,39,45,51, 57,63,69,75,81,87,93,99,105,111,117,123,129 Total sum equals 1452! 22 nd term = 129 Sum = 11(3+129) = 1452
What is the sum of the arithmetic sequence 3, 9, 15…, if there are 22 terms? Read More »
