Math, asked by bathsukhwinder85, 2 months ago

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Write the direction-cosines of the vector =i+j-2k and hence, its direction-cosines.
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Answers

Answered by tanu6675

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Answer:

a = i^ + j^ −2 k^

∣a∣ = √1+1+4 = √6

Directioncosines=( ax/a, ay/a, az/a)ie(1/√6, 1/√6, 1/√6)

Direction ratio = (1,1,-2)

Step-by-step explanation:

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