The points with position vectors \[10\,\mathbf{i}+3\,\mathbf{j},\,\,12\,\mathbf{i}-5\,\mathbf{j}\] and \[a\,\mathbf{i}+11\,\mathbf{j}\] are collinear, if \[a=\] [MNR 1992; Kurukshetra CEE 2002]

The points with position vectors \[10\,\mathbf{i}+3\,\mathbf{j},\,\,12

1.	The points with position vectors \[10\,\mathbf{i}+3\,\mathbf{j},\,\,12\,\mathbf{i}-5\,\mathbf{j}\] and \[a\,\mathbf{i}+11\,\mathbf{j}\] are collinear, if \[a=\] [MNR 1992; Kurukshetra CEE 2002]
A.	8
B.	4
C.	8
D.	12
Answer» D. 12

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The points with position vectors \[10\,\mathbf{i}+3\,\mathbf{j},\,\,12\,\mathbf{i}-5\,\mathbf{j}\] and \[a\,\mathbf{i}+11\,\mathbf{j}\] are collinear, if \[a=\] [MNR 1992; Kurukshetra CEE 2002]

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