Question

1 If p = i + 2j + 6k, it's direction cosines
are
a) 1/41,2/41 and 6/41
b) 3/√41, 8/√41 and 7/√41
c) 1/√41, 2/√41 and 6/√41
d) 1,2 and 6


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Answer 1

Answer:

(c) option 1/√41, 2/√41 and 6/√41

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