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The direction ratio of a line are 2,3,7 then its direction cosines are which of the following ?(A) 1/6,1/4,7/12(B) √2/62, √3/62, √7/62(C) 2/√62, 3/√62, 7/√62(D) 2/12, 3/12, 7/12 |
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Answer» (C) 2/√62, 3/√62, 7/√62 |
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