question_answer

For what value of ?m? the points \[A\,\,\left( m+1,\,\,1 \right),\]\[B\,\,\left( 2m\,\,+1,\,\,3 \right)\] and \[C\,\,\left( 2m+2,\,\,2m \right)\] are collinear.

A)  \[2\]                            

B)  \[-\,\frac{1}{2}\]

C)  \[\frac{3}{2}\]                         

D)  Both A and B

E)  None of these