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For which (m) will (m+2, 2m+5, 4m+1) be in an arithmetic progression?
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Answer and explanation
Correct answer: (4)
From (2(2m+5)=(m+2)+(4m+1)), (4m+10=5m+3), so (m=7). Use the twice-middle-term rule for three terms.
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What is the correct answer to this question?
(4)
Why is this the correct answer?
From (2(2m+5)=(m+2)+(4m+1)), (4m+10=5m+3), so (m=7). Use the twice-middle-term rule for three terms.
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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