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1.test whether the points (-3,4),(2,-5),(11,18) are collinear or not

2.if p (x,y) is a point on the line joining the points A(a,0) and B(0,b), show that x/a +y/b=1

3.if A,B,C are the points (0,5),(3,1) and 5,7 respectively and D,E, and F are the midpoints of BC,CA ,AB respectively.show that the area of triangle ABC is four times that of triangle DEF

4. Find the area of the triangle formed by the points (p+1,1),(2p+1,3) and (2p+2,2p) and show that these points are collinear if p=2 or -1/2

5.for what values of k are the points (k,2-2k),(-k+1,2k) and (-4-k,6-2k) are collinear

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by anudeepd2

are you entering the whole text book here?

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