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If (a=5) and the second term is (17), what is (d)?

Answer and explanation

Correct answer: 12

The second term of an AP is \(a_2=a+d\). Here, \(17=5+d\), so \(d=17-5=12\). Therefore, 12 is correct. Note that 17 is the second term, not the common difference. Exam tip: find \(d\) by subtracting a term from the following term.

Related tags

Arithmetic ProgressionCommon DifferenceSecond TermAp FormulasClass 10 MathematicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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