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P. 137

CHAPTER 6.  VECTORS


                              594.  aáëíêáÄìíáîÉ=mêçéÉêíó=
                                    r   r   r    r  r  r   r
                                       ( ì×  ï = ì× î + ì× ï =
                                              )î +
                                    =      r
                                        r
                                                       r
                                                r
                                     r
                                                                     θ
                              595.  ì×  î =  M =áÑ=ì =~åÇ= î =~êÉ=é~ê~ääÉä=E = FK=
                                                                         M
                                    = r  r  r  r  r  r  r
                              596.  á × á =  à ×  à = â× â =  M =
                                    = r  r  r r  r   r r   r  r
                              597.  á ×  à = â I= à × â =  á I= â× á =  à =
                                    =
                                    =
                                    =
                              6.7 Triple Product

                                    =
                              598.  pÅ~ä~ê=qêáéäÉ=mêçÇìÅí=
                                                       r
                                            r
                                                                      r
                                                   r
                                                           r
                                                              r
                                    [  ì î r r r  ] ï = ì⋅ (  r  ï = î ⋅ (ï×  ì ) ï ⋅=  r  (ì× r ) î =
                                                    )î×
                                    =
                                                                               r
                                             r
                              599.  [  ì  r r r  ] ï = [ î  ï  r r î ] ì = [ ïî r r  r ] ì =  − [ ïìî r r  r  ] −=  [ îï  r r r  ] ì =  − [ ïì  r r  ] î =
                                    =  r  r  r        r r r
                              600.  â ⋅ (   ï =  â [ ïîì  ]=
                                              )î×
                                      ì
                                    =
                              601.  pÅ~ä~ê=qêáéäÉ=mêçÇìÅí=áå=`ççêÇáå~íÉ=cçêã=
                                                u N  v N  w N
                                    r   r  r
                                             )î×
                                    ì⋅ (   ï =  u O  v O  w I==
                                                           O
                                                u P  v P  w P
                                    ïÜÉêÉ==
                                    r               r                r
                                    ì = (  N I  v N I w I= î = (u O I  v O I w O )I= ï = (u P I v P I w P )K==
                                                  )u
                                                 N
                                    =
                              602.  sçäìãÉ=çÑ=m~ê~ääÉäÉéáéÉÇ=
                                         r
                                               r
                                                 )î×
                                         ì⋅ ( s =  r  ï =
                                                              =




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