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If (9, y, 2y+6) are in an arithmetic progression, what is the common difference?
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Answer and explanation
Correct answer: (15)
From (2y=9+(2y+6)), we get (0=15), so it never forms an arithmetic progression. None of the listed values can be its common difference.
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What is the correct answer to this question?
(15)
Why is this the correct answer?
From (2y=9+(2y+6)), we get (0=15), so it never forms an arithmetic progression. None of the listed values can be its common difference.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Introduction to APs and common difference..
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