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If twice each term of (1, 4, 7,\ldots) is taken and then (1) is subtracted, what will be the common difference of the new sequence?

Answer and explanation

Correct answer: (6)

The original (d=3); doubling makes (d=6), and subtracting (1) does not change (d). Multiplication changes (d), equal subtraction does not.

Related tags

ApCompound TransformationCommon DifferenceHardIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)Arithmetic Progressions Ap

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