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What kind of sequence is this?\newline69,69,69,69,69, 69, 69, 69, \dots\newlineChoices:\newline(A) arithmetic\newline(B) geometric\newline(C) both\newline(D) neither

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Q. What kind of sequence is this?\newline69,69,69,69,69, 69, 69, 69, \dots\newlineChoices:\newline(A) arithmetic\newline(B) geometric\newline(C) both\newline(D) neither
  1. Verify Consecutive Differences: Let's verify if the differences between consecutive terms are uniform. Given sequence: 69,69,69,69,69, 69, 69, 69, \ldots Are the consecutive differences in the sequence equal? 6969=069 - 69 = 0, 6969=069 - 69 = 0, 6969=069 - 69 = 0. The consecutive differences in the sequence are equal and are all zero.
  2. Check Equal Ratios: Now, let's check whether the ratios between consecutive terms are equal. Given sequence: 69,69,69,69,ext...69, 69, 69, 69, ext{...} Are the ratios between consecutive terms in the sequence equal? 69/69=169 / 69 = 1, 69/69=169 / 69 = 1, 69/69=169 / 69 = 1. Yes, the sequence has a common ratio of 11.
  3. Identify Sequence Type: Arithmetic sequence: Consecutive terms have a common difference. Geometric sequence: Consecutive terms have a common ratio. The sequence 69,69,69,69,69, 69, 69, 69, \ldots has both a common difference (00) and a common ratio (11). Therefore, it qualifies as both an arithmetic and a geometric sequence.

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