Distance between (2,0,-1) and (-1,4,-2)?

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kidoceanoe · Accepted Answer

The distance between two points       P          (              x        1            ,              y        1            ,              z        1            )       and      Q          (              x        2            ,              y        2            ,              z        2            )       in xyz-space is given by formula,      D    =                                        (                          x              2                        -                          x              1                        )                    2                +                              (                          y              2                        -                          y              1                        )                    2                +                              (                          z              2                        -                          z              1                        )                    2                          D          (      P      ,      Q      )        =                                        (            -            1            -            2            )                    2                +                              (            4            -            0            )                    2                +                              (            -            2            +            1            )                    2                          D          (      P      ,      Q      )        =                  9        +        16        +        1              =          26      Distance between             (      2      ,      0      ,      -      1      )                    and                    (      -      1      ,      4      ,      -      2      )       is             26

Distance between (2,0,-1) and (-1,4,-2)?

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