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A(1,−1,−3),B(2,1,−2), C(−5,2,−6) are the position vectors of the vertices of a triangle ABC. The length of the bisector of its internal angle at A is : |
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Answer» A(1,−1,−3),B(2,1,−2), C(−5,2,−6) are the position vectors of the vertices of a triangle ABC. The length of the bisector of its internal angle at A is : |
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