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In the sequence (2,6,14,30,62,\ldots), each next term is obtained by doubling the previous term and adding (2). What will be the next term?

Answer and explanation

Correct answer: 126

The rule is: next term = twice the previous term + 2. Hence, the term after 62 is \(2\times 62+2=126\). Although 124 is twice 62, it does not include the required addition of 2. Exam tip: in a recursive sequence, apply the stated rule directly to the last given term.

Related tags

SequencesRecursive SequencesRecurrence RelationNumber PatternsClass 9 MathematicsSequences And ProgressionsMathematicsClass 9 Mcq

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