What is the sum of the series?
What is the sum of the series?
What is the sum of the series?
First one (the rest are very similar)
3i 3 (1) + 3(2) + 3 (3) + 3(4) +3 (5) =
3 6 9 12 15 = 45
Think you can try the others now that you see how to do it?
First one (the rest are very similar)
3i 3 (1) + 3(2) + 3 (3) + 3(4) +3 (5) =
3 6 9 12 15 = 45
Think you can try the others now that you see how to do it?