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If (2u-3,3u+2,5u-1) are in an arithmetic progression, what is the value of (u)?
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Answer and explanation
Correct answer: (7)
From (2(3u+2)=(2u-3)+(5u-1)), (6u+4=7u-4), so (u=8). Use the twice-middle-term rule to find the variable.
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What is the correct answer to this question?
(7)
Why is this the correct answer?
From (2(3u+2)=(2u-3)+(5u-1)), (6u+4=7u-4), so (u=8). Use the twice-middle-term rule to find the variable.
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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