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Find the Value of P, If X, 2x + P and 3x + 6 Are in A.P - Mathematics

Sum

Find the value of p, if x, 2x + p and 3x + 6 are in A.P

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Solution

Since x, 2x + p and 3x + 6 are in A.P, we have

(2x + p) - x = (3x + 6) - (2x + p)

=> 2x + p - x = 3x + 6 - 2x - p

`=> p + p = x - x + 6`

=> 2p = 6

=> p = 3

Concept: Arithmetic Progression - Finding Their General Term
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APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 10 Arithmetic Progression
Exercise 10 (B) | Q 4 | Page 140
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