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Which sequence is formed with (a=9) and (d=-2)?

Answer and explanation

Correct answer: (9, 7, 5, 3, \ldots)

The first term of the AP is 9 and the common difference is -2. Therefore, 2 is subtracted to get each next term: 9, 7, 5, 3, \ldots. Hence, option B is correct. Option D also has common difference -2, but its first term is 7, not 9. Exam tip: check the first term first, then find the difference between consecutive terms.

Related tags

Arithmetic ProgressionCommon DifferenceConstructing ApClass 10 MathematicsAp First TermIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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