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

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If (2x, x+9, 18) are in an arithmetic progression, what will be the value of (x)?

Answer and explanation

Correct answer: No value

(2(x+9)=2x+18) gives an identity, so it is an arithmetic progression for every (x). Therefore no single value of (x) is obtained.

Related tags

Ap Identity Algebraic Condition Expert Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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