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If the distance between the points P(a ,...

If the distance between the points `P(a ,2,1)a n d\ Q(1,-1,1)` is 5 units find the value of `adot`

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Find the distance between the points P(-2,4,1) and Q(1,2,5).

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Knowledge Check

  • If the distance between the points (a,2,1)and (1,-1,1) is 5, then the value (s) of a is

    A
    `5,-5`
    B
    `3,-3`
    C
    `5,-3`
    D
    `-5,3`

  • If the distance between the points (a, 2, 1) and (1, -1, 1) is 5, then value of a are :

    A
    `-5, -3`
    B
    `5, -3`
    C
    `-5, 3`
    D
    5, 3

  • If the distance between the points (2,a,1)and(-1,-1,1) is 5, then the value(s) of a is

    A
    `3, 5`
    B
    `-3, 5`
    C
    `3, -5`
    D
    `-3, -5`

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    If the distance between the point (x,-1) and (-2,2) is 5 , then find the possible values of x .

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