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QUESTION 4 (NOV.24TH)

Expert replies
by bacali » Mon Nov 24, 2008 11:47 am
Q8:

The infinite sequence A1, A2,…, AN,… is such that A1 = 2, A2 = -3, A3= 5, A4= -1, and A(N) = A(N-4) for n > 4. What is the sum of the first 97 terms of the sequence?
A. 72
B. 74
C. 75
D. 78
E. 80


OA: B
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Source: — Problem Solving |


by bacali » Tue Nov 25, 2008 7:41 am
hey dmat, these sequences are giving me a terrible time. What's the best way to manage them? Any sites that go over them online?
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