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If A=(1, -2, -1), B= (4, 0, -3), C = (1,...

If A=(1, -2, -1), B= (4, 0, -3), C = (1, 2, -1), D=(2, -4, -5)`, then distance between AB and CD is

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The correct Answer is:
`4/3` units
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Knowledge Check

  • A : If A = (1, -2, -1) B = (4, 0, - 3), C = (1,2 - 1), d = (2, -4,-5) then the distance between AB and CD is 4/3 R : The shortest distance between the skew lines r = a + sb, r = c + td is ([a - c b d])/(|b xx d|)

    A
    A,R are true, R is correct explanation of A
    B
    A, R are true, R is not correct explanation of A
    C
    A is correct R is false
    D
    A is false R is true

  • If A = (1,-2, -1), B = (4, 0, -3) C = (1,2, - 1) and D = (2, -4, -5) then the distance between AB and CD is

    A
    `2//3`
    B
    `4//2`
    C
    `3//2`
    D
    `5//3`

  • If A (4, 3, 5), B (6, 4, 3), C (2, -1, 4), D (0, 1, 5) then the projection of bar(AB) " on " bar(CD) is

    A
    0
    B
    `3//4`
    C
    `-4//3`
    D
    `-3//4`

    • Similar Questions

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    If A = (2, 4, 1), B(-1, 0, 1), C =(-1,4, 2), then the distance of (1, - 2, 1) from the plane ABC is

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