Question

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

Answer 1

if x+1,3x,4x+2 are in A.P then
3x-(x+1)=4x+2-3x
3x-x-1=x+2
2x-1=x+2
x=3

Answer 2

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