For nonzero (r), (r,r^2,r^3) form an AP. What is the value of (r)?
Answer and explanation
Correct answer: (1)
The condition (2r^2=r+r^3) gives (r(r-1)^2=0), so the nonzero value is (1). In exams, always apply the nonzero condition.
Frequently asked questions
What is the correct answer to this question?
(1)
Why is this the correct answer?
The condition (2r^2=r+r^3) gives (r(r-1)^2=0), so the nonzero value is (1). In exams, always apply the nonzero condition.
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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