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Why is (3,6,12,24,\ldots) not an arithmetic progression?

Answer and explanation

Correct answer: Because the differences between consecutive terms are not equal

In an arithmetic progression, the difference between every pair of consecutive terms must be constant. Here, the differences are 6−3=3, 12−6=6, and 24−12=12. Since these are not equal, the sequence is not an arithmetic progression. In an exam, first check consecutive differences; being positive or integral does not make a sequence an AP.

Related tags

Arithmetic-ProgressionCommon-DifferenceNon-Ap-SequenceClass-10Introduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)Arithmetic Progressions Ap

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