Question

Determine whether the sets of points are Collinear? i) (a, b + c), (b, c + a),(c, a + b)​

Answer 1

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The points are A(a,b+c), B(b,c+a), C(c,a+b). If the area of triangle is zero then the points are called collinear points. If three points (x , y ), (x , y ) and (x , y ) are collinear then [x (y - y ) + x ( y - y )+ x (y - y )] = 0.