Verify whether following points (1,-1) (4,1) and (-2, -3) are collinear or
not?
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Answer:
Step-by-step explanation:
( , )
( , )
m =
y - = m( x - )
~~~~~~~~~~~~~~~~~
( 4 , 1 )
( - 2 , - 3 )
m = = =
y - 1 = ( x - 4)
y = x -
( 1 , - 1 ) → y = x -
- 1 = ( 1 ) -
- 1 = - 1 ⇒ three given points are collinear.
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