Math, asked by manjubora5161, 1 year ago

Are the points (-3,-3),(-3,2) & (-3,5) collinear give reason

Answers

Answered by palakhanduja
2
1/2[x1(y2-y3) + x2(y3-y1) + x3( y1-y2)]
1/2[-3 (2-5) -3(5+3) -3 (-3-2)] =0
1/2[ -3(-3) -3(8)-3(-5)]=0
1/2[-9 -24-15)
1/2(-48)= 24 units.
since the area is not 0 therefore they are not collinear.
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