The position vectors of the vertices A, B and C of a triangle are 2 \stackrel{\^}{i}-3 \stackrel{\^}{j}+3 \stackrel{\^}{k}, 2 \stackrel{\^}{i}+2 \stackrel{\^}{j}+3 \stackrel{\^}{k} and -\stackrel{\^}{i}+\stackrel{\^}{j}+3 \stackrel{\^}{k} respectively. Let l denotes the length of the angle bisector {\AD} of \angle {\BAC} where {\D} is on the line segment {\BC}, then 2 l^2 equals : [27-Jan-2024 Shift 2]

Vector Algebra Part 2

Section: Mathematics

Question : 2 of 100

Marks: +1, -0

The position vectors of the vertices A,B and C of a triangle are 2

−3

,‌‌2

‌‌ and −

respectively. Let l denotes the length of the angle bisector AD of ∠BAC where D is on the line segment BC, then 2l2 equals :

[27-Jan-2024 Shift 2]

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