42) Show that (1,-1], [5, 2] and [9; 5) are collinear.
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Answered by
3
Answer:
kindly see the answer below...
Step-by-step explanation:
Here, according to the triangle rule,
½ [ 1(2-5)+5(5+1)+9(-1-2)]
=½ [-3+30-27 ]
=½×0
=0
it indicate the three points are collinear..
HENCE SHOWED....
thanks a lot...
Answered by
1
Answer:
here it is your photo
Step-by-step explanation:
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