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If `x` is a positive integer such that the distance between points `P(x ,\ 2)` and `Q(3,\ -6)` is 10 units, then `x=` (a) `3` (b) `-3` (c) `9` (d) `-9`

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RD SHARMA ENGLISH-COORDINATE GEOMETRY-All Questions
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  13. If points (t ,\ 2t),\ (-2,\ 6) and (3,\ 1) are collinear, then t= (...

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  14. If the area of the triangle formed by the points (x ,\ 2x),\ (-2,\ 6...

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