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

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If the opposite of each term of (7, 3, -1, -5,\ldots) is taken, what will be (d) of the new sequence?

Answer and explanation

Correct answer: (4)

The original (d=-4), and the opposite terms form (-7,-3,1,5,\ldots), whose (d=4). Multiplying all terms by (-1) changes the sign of (d).

Related tags

Ap Opposite Terms Common Difference Hard Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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