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.
Frequently asked questions
What is the correct answer to this question?
It is not an arithmetic progression for any (y)
Why is this the correct answer?
For an arithmetic progression, (2y=9+(2y+6)) is required, which gives the impossible (0=15). When an impossible equation appears, no value works.
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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