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Class 10 Mathematics Arithmetic Progressions (AP)Introduction to APs and common difference.Hard

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If (2u-3,3u+2,5u-1) are in an arithmetic progression, what is the value of (u)?

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.

Related tags

Ap Algebraic Condition Find Variable Hard Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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