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Mathematics
Problem
If three points A, B and C are collinear, whose position vectors are
i
^
−
2
j
^
−
8
k
^
\hat{i} - 2\hat{j} - 8\hat{k}
i
^
−
2
j
^
−
8
k
^
,
5
i
^
−
2
k
^
5\hat{i} - 2\hat{k}
5
i
^
−
2
k
^
and
11
i
^
+
3
j
^
+
7
k
^
11\hat{i} + 3\hat{j} + 7\hat{k}
11
i
^
+
3
j
^
+
7
k
^
respectively, then the ratio in which B divides AC is a. 1 : 2 b. 2 : 3 c. 2 : 1 d. 1 : 1
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