If the points P(-3, 9), Q(a, b) and R(4, -5) are collinear and a+b | Filo
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Class 10

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Coordinate Geometry

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If the points and are collinear and , find the values of a and b.

Solution:
Points are , and are collinear.
Which means area of triangle
Area of
Since points are collinear, we have
..........
....... (given)
From and
and .
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