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If (a_1=35) and (a_2=29), what is the common difference (d)?

Answer and explanation

Correct answer: \(-6\)

In an arithmetic progression, the common difference is \(d=a_2-a_1\). Thus, \(d=29-35=-6\). Therefore, \(-6\) is correct. Choosing \(6\) misses the negative sign. Exam tip: always subtract the preceding term from the succeeding term.

Related tags

Arithmetic ProgressionCommon DifferenceAp FormulaClass 10 MathematicsSequenceIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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