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Show that the points(1,1),(-2,7) and (3,-3) are collinear

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Solution: We have,  A(1,1),B)(-2,7);and;C(3,-3)

Slope of AB=(7-1)/(-2-1)=-2

Slope of BC=(-3-7)/(3+2)=-2

ecauseecause (AB)m=(BC)m  Hence Point A , B and C are collinear

Posted by

Deependra Verma

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