Physics, asked by yashaswiniak, 3 months ago

A = 3î - j +7k and B = 5î - j+9k . The direction cosine, m of the vector A+B is
1) zero. 2) 3/√31. 3)8/√336. 4)9√2

Answers

Answered by shashank2364

0

Answer:

I think 2 or 4 is Ur answer

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