There is no sum for this geometric series. it diverges rather than converges due to the absolute value of the common ratio (r), which is -3, being 3. for a geometric series to have a sum (to converge), the absolute value of r must be less than 1.
(you find r by dividing a2/a1, a3/a2, etc.)
hope this helps
5 because your dividing 10 and 2.
N-1(-1/2) is the formula because the sequence is taking half of the previous number and changing its sign
Answer:
198
Step-by-step explanation:
