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25-02-2024
Mathematics

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The projections of a directed line segment on the coordinate axes are 12, 4, 3. The direction cosines of the line are
a. -12/13, -4/13, 3/13
b. 12/13, -4/13, 3/13
c. 12/13, 4/13, 3/13
d. None of these

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