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

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What is the correct conclusion about the sequence (9, y, 2y+6)?

Answer and explanation

Correct answer: It is not an arithmetic progression for any (y)

For an arithmetic progression, (2y=9+(2y+6)) is required, which gives the impossible (0=15). When an impossible equation appears, no value works.

Related tags

Arithmetic Progression Common Difference Class 10 Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics

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