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Mathematics
Mathematics
Problem
If
4
i
^
+
7
j
^
+
8
k
^
4\hat{i} + 7\hat{j} + 8\hat{k}
4
i
^
+
7
j
^
+
8
k
^
,
2
i
^
+
3
j
^
+
4
k
^
2\hat{i} + 3\hat{j} + 4\hat{k}
2
i
^
+
3
j
^
+
4
k
^
and
2
i
^
+
5
j
^
+
7
k
^
2\hat{i} + 5\hat{j} + 7\hat{k}
2
i
^
+
5
j
^
+
7
k
^
are the position vectors of the vertices
A
A
A
,
B
B
B
and
C
C
C
, respectively, of triangle
A
B
C
ABC
A
B
C
, then the position vector of the point where the bisector of angle
A
A
A
meets
B
C
BC
B
C
is
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