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What is the sequence of consecutive differences in (2,5,10,17,\ldots)?

Answer and explanation

Correct answer: (3, 5, 7, \ldots)

Subtract each term from the next term: \(5-2=3\), \(10-5=5\), and \(17-10=7\). Hence, the sequence of consecutive differences is \((3, 5, 7, \ldots)\). Option A is incorrect because the actual difference between the first two terms is 3, not 2. Exam tip: To find consecutive differences, subtract each term from the term immediately following it.

Related tags

SequencesConsecutive DifferencesNumber PatternsProgressionsMathematicsSequences And ProgressionsClass 9 Mcq

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