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If 2x+1,x^(2)+x+1 and 3x^(2)-3x+3 are in...

If `2x+1,x^(2)+x+1` and `3x^(2)-3x+3` are in `A.P` ,then the value of `x` :

A

1

B

2

C

1,2

D

`-1,-2`

Text Solution

Verified by Experts

The correct Answer is:
C
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