Question

Friends please help me​

Answer 1

Let the given points be A(7,-2),B(5,7),C(3,k)

If the above points are collinear,

they will lie on the same line

i.e.the will not form traingle

or we can say that

Area of triangle ABC=0

=>½[x¹(y²-y³)+x³(y¹-y²)]=0

Answer 2

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