alleryIs 1, 1, 1, 1, … an AP? If yes, what is d?
ANo, d undefined
BYes, d = 0
CYes, d = 1
DNo, all terms identical
Answer & Solution
Correct answer: B. Yes, d = 0
Successive differences are 0, so the sequence is an AP with common difference d = 0. Constant sequences are always APs.
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