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39, it is like the fibonacci sequence you take the 2 previous numbers and add them together to get the next number.
Answer:
II and II only.
Step-by-step explanation:
The first series converges because the common ratio r is 0.8 (<1).
II diverges as |r| > 1.
III is an alternating series with r = -4 - that is |r| = 4 so it diverges.
M 1: 64
M 2: 49
M 3: 87
M 4: 44