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For which (r) will (9, 9+r, 9+4r, 9+9r,\ldots) be an arithmetic progression?
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Answer and explanation
Correct answer: Only (r=0)
The consecutive differences are (r,3r,5r), which are equal only when (r=0). In such questions it is necessary to write all consecutive differences.
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What is the correct answer to this question?
Only (r=0)
Why is this the correct answer?
The consecutive differences are (r,3r,5r), which are equal only when (r=0). In such questions it is necessary to write all consecutive differences.
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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