Find the unit vector in the direction of the resultant vector A=2i-3j+4k B=i+j+2k C=3i-2j+4k

Question

Find the unit vector in the direction of the resultant vector A=2i-3j+4k B=i+j+2k C=3i-2j+4k

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Thanh Hà 7 months 2021-07-19T00:32:13+00:00 2 Answers 16 views 0

Answers ( )

    0
    2021-07-19T00:33:43+00:00

    The length of this vector is ∣D∣=√62+22+72=√89, so the unit vector in the direction of D is⃗e=1√89(6;-2;7)

    0
    2021-07-19T00:33:55+00:00

    Answer:

    R = 6i – 4j + 10k

    Explanation:

    R = (2 + 1 + 3)i + (-3 + 1 – 2)j + (4 + 2 + 4)k

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