If the points (1 , 2) , (-1, x) and (2 ,...

If the points (1 , 2) , (-1, x) and (2 , 3) are collinear then the value of x is .....

A

9

B

7

C

0

D

`-1`

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A(2,0), B(1,2), C(-1,6) లు శీర్షాలుగా గల త్రిభుజ వైశాల్యం
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