Question

if x+1, 3x and 4x+2 are in AP.find x ?
do fast​

Answer 1

Let x+1=k-1,

3x=k

4x+2= k+1

k-1+k+k+1=x+1+3x+4x+2

3k = 8x+3

6k=16x+6 --------(1)

x+1+3x=k-1+k

4x+1=2k-1

2k=4x+2

6k=12x+6 -------(2)

(1)-(2)

0=4x

x=0

I think this is the answer.

Hope this is helpful to you

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