For what value of y are points P(1, 4), Q(3, y) and R(-3, 16) are | Filo
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Class 10

Math

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Coordinate Geometry

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For what value of y are points and are collinear?

Solution:
Points are and are collinear.
Which means area of triangle PQR
Area of triangle
Since points are collinear:
or .
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