Find k if the points (0,k), (1,2) and (-2,-1) are collinear.
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Consider the points as A,B and C.
Assume that,Abacus is a triangle.
Since A,B,& C are collinear,
Area of triangle ABC=0.
Applying the formula for finding the area of a triangle, you can find the answer.
I hope you are brilliant enough to understand and continue it yourself.
Assume that,Abacus is a triangle.
Since A,B,& C are collinear,
Area of triangle ABC=0.
Applying the formula for finding the area of a triangle, you can find the answer.
I hope you are brilliant enough to understand and continue it yourself.
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