Q7 of 202 Page 9

If x+1, 3x and 4x+2 are in A.P, find the value of x.

Given terms: x+1, 3x and 4x+2

 Since, the given terms are in A.P.

Therefore, their common difference will be same

3x – (x + 1) = (4x + 2) – 3x

3x – x - 1 = 4x + 2 – 3x

2x - 1 = x + 2

x = 3 

 

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