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In the each of the following, find the v...

In the each of the following, find the value of 'a' for which the given points are collinear.
`(2, 3), (4, a) and (6, -3)`

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PREMIERS PUBLISHERS-CO-ORDINATE GEOMETRY -Other Important Objective
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  13. If P(-1,2) , Q(k,-2) , R(7,4) are the vertices of trianglePQR whose ar...

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  14. Given that the points (-4,-1) (a,b) and (-2,5) are collinear and if ...

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