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If the points P(-3,\ 9),\ \ Q(a ,\ b)...

If the points `P(-3,\ 9),\ \ Q(a ,\ b)` and `R(4,\ -5)` are collinear and `a+b=1` , find the values of `a` and `b` .

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RD SHARMA-COORDINATE GEOMETRY-All Questions
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  4. Find the area of the triangle whose vertices are (6,\ 3),\ (-3,\ 5)...

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  5. Find the area of the quadrilateral whose vertices are (-3,\ 2),\ (5...

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  7. Find the area of the quadrilateral whose vertices are (-4,\ -2),\ (...

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  10. Show that the following sets of points are collinear. (2,\ 5),\ (4,...

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  11. Prove that the points (a ,\ 0),\ (0,\ b) and (1,\ 1) are colline...

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