alleryMatch each AP selection strategy with the chosen symmetric variables:
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
3 terms: a-d, a, a+d. 4 terms: a-3d, a-d, a+d, a+3d. From end: l-(n-1)d.
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