3-d

Question: The direction ratios of the line joining the points (4, 3, –5) and (–2, 1, –8) are

1) $\frac{6}{7},\frac{2}{7},\frac{3}{7}$

2) $6,\,\,2,\,\,3$

3) $2,\,\ 4,\ -13$

4) None of these

Solution:

Explanation: No Explanation

System of co-ordinates Direction cosines and direction ratios Projection

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