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Which of the following sequences has (a=-6) and (d=5)?

Answer and explanation

Correct answer: \((-6,-1,4,9,\ldots)\)

In \((-6,-1,4,9,\ldots)\), the first term is \(a=-6\). The difference between consecutive terms is \(-1-(-6)=5\) and \(4-(-1)=5\), so \(d=5\). Option C has common difference 5, but its first term is 6, so it is not correct. Exam tip: In an AP, check both the first term and the difference between consecutive terms.

Related tags

Arithmetic ProgressionFirst TermCommon DifferenceSequence IdentificationClass 10 MathematicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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