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If the points A(a ,\ -11),\ \ B(5,\ b...

If the points `A(a ,\ -11),\ \ B(5,\ b),\ \ C(2,\ 15)` and `D(1,\ 1)` are the vertices of a parallelogram `A B C D` , find the values of `a` and `b` .

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RD SHARMA-COORDINATE GEOMETRY-All Questions
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  13. Determine the ratio in which the point (-6,\ a) divides the join...

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  14. The line segment joining the points (3,\ -4) and (1,\ 2) is tris...

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  15. The line joining the points (2,\ 1) and (5,\ -8) is trisected at...

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  16. If A and B are two points having coordinates (-2,\ -2) and (2,\ -4)...

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