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Class 10 Mathematics Arithmetic Progressions (AP)Introduction to APs and common difference.Expert

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If (q-3, 2q+1, 4q-1) are in an arithmetic progression, what will (q) be?

Answer and explanation

Correct answer: (5)

From (2(2q+1)=(q-3)+(4q-1)), (4q+2=5q-4), so (q=6). Watch signs while applying the twice-middle-term rule.

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Ap Algebraic Terms Find Parameter Expert Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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