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Show that if the position vectors of 3 points are (a) -2i+3j+5k , I+2j+3k and 7i-k (b) i-2j+3k , 2i+3j-4k and -7i+4kthen the points are collinear. |
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Answer» Show that if the position vectors of 3 points are (a) -2i+3j+5k , I+2j+3k and 7i-k (b) i-2j+3k , 2i+3j-4k and -7i+4k then the points are collinear. |
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