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12 June, 21:21

Find a vector w with the same direction of u but twice as long as v. u = {0 4 2} v = {2 1 0}.

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  1. 12 June, 21:46
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    Find magnitude of v and then double itFind unit vector of u Multiply the above two

    Let's do it step by step:

    Magnitude of v and then double itmagnitude||v||=√2^2+1^2+0^2=√5 double it become = 2√5

    Find unit vector of u magnitude||u||=√0^2+4^2+2^2=2√5

    so unit. vector={0,2/√5,1/√5}

    Multiply the above two:

    when u multiply u get (0, 4/5, 2/5)
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