设向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex]的方向向量平行于向量[tex=6.071x1.357]SJEmrtmdOPUsej4CEaY1JoScA6qLRZqz5+L4XSqoV54=[/tex]和向量[tex=6.071x1.357]NE7b5xvzQiP/cb6Dp5w3as0vXRc48ynY1Q762W0Ahbw=[/tex]之间的角平分线且[tex=3.857x1.571]CCFg+gy3IK7+/X/+IFDiL/rzje9iKYnsCf7SRHzWZT4=[/tex]，求向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex].
设向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex]的方向向量平行于向量[tex=6.071x1.357]SJEmrtmdOPUsej4CEaY1JoScA6qLRZqz5+L4XSqoV54=[/tex]和向量[tex=6.071x1.357]NE7b5xvzQiP/cb6Dp5w3as0vXRc48ynY1Q762W0Ahbw=[/tex]之间的角平分线且[tex=3.857x1.571]CCFg+gy3IK7+/X/+IFDiL/rzje9iKYnsCf7SRHzWZT4=[/tex]，求向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex].
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