ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal

In this Question three consecutive terms of an AP is given you have to find the value of term(x).

This is the Question Number 2 Of Exercise 11D of RS Aggarwal Solution

Deepak BoraNewbie

# If (x+2),2x,(2x+3) are three consecutive terms of an AP, find the value of x.

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A.PÂ =Â x+2 ,Â 2x , 2x+3

d=Â a2 – a1 =Â a3 – a2

2x – (x+2)Â Â =Â 2x + 3 – (2x)

2x – x – 2 = 2x + 3 – 2x

x – 2Â =Â 3

xÂ =Â 3 + 2

x = 5