Prove that the condition that the three points (x1,y1),(x2,y2) and (x3,y3) are collinear is
∑ x1(y2 -y3) plase its urgent
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Answer:
Step-by-step explanation:
POINTS ARE COLLINEAR WHEN AREA =0
AREA=0
O=1/2 [x1(y2-y3)+x2(y3-y1)+x3(y1-y2)]
0=x1(y2-y3)+x2(y3-y1)+x3(y1-y2)
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