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In an arithmetic progression (a,a+d,a+2d,\ldots), which is the third term?

Answer and explanation

Correct answer: a+2d

The terms of an arithmetic progression are obtained by repeatedly adding the common difference d to the first term a: the first term is a, the second is a+d, and the third is a+2d. Therefore, the correct answer is a+2d. Remember that d is added twice for the third term; it is not multiplied by a.

Related tags

Arithmetic ProgressionsCommon DifferenceThird TermSequence BasicsEasyIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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