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The points (a+1,1), (2a+1,3) and (2a+2,2...

The points `(a+1,1), (2a+1,3)` and `(2a+2,2a)` are collinear if

A

`a=-1, 2`

B

`a=(1)/(2), 2`

C

a = 2, 1

D

`a=-(1)/(2), 2`

Text Solution

Verified by Experts

The correct Answer is:
D
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