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

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If the opposite of each term of (10, 15, 20,\ldots) is taken and (4) is added, what will be (d) of the new sequence?

Answer and explanation

Correct answer: (-5)

Taking opposites means multiplying by (-1), so (d=5) becomes (-5); adding the same (4) does not change (d). Pay attention to sign change.

Related tags

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

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