English, asked by dare89, 1 year ago

find the relation between X and Y if the points A ( x, y) b ( minus 5, 7) and c ( -4, 5) collinear

Answers

Answered by IMMORTALA11

3

Answer:

1/2[x1(y3-y2)+x2(y1-y3)+x3(y1-y2)=0

[x(5-7)+5(y-5)+(-4)(7-y)]=0

-2x+5y-25-28+4y=0

-2x+9y=43

9y=43+2x

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