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

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If each term of (15, 12, 9,\ldots) is decreased by its term number, what will be (d) of the new sequence?

Answer and explanation

Correct answer: (-4)

The original (d=-3), and term numbers have (d=1), so the new (d=-3-1=-4). When subtracting term number, its difference is also subtracted.

Related tags

Ap Term Number Transformation Negative D Hard Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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