If \[\mathbf{a}=\mathbf{i}-2\mathbf{j}\] and \[\mathbf{b}=2\mathbf{i}+\lambda \mathbf{j}\] are parallel, then \[\lambda \] is [RPET 1996]

If \[\mathbf{a}=\mathbf{i}-2\mathbf{j}\] and \[\mathbf{b}=2\mathbf{i}+

1.	If \[\mathbf{a}=\mathbf{i}-2\mathbf{j}\] and \[\mathbf{b}=2\mathbf{i}+\lambda \mathbf{j}\] are parallel, then \[\lambda \] is [RPET 1996]
A.	4
B.	2
C.	? 2
D.	? 4
Answer» E.

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If \[\mathbf{a}=\mathbf{i}-2\mathbf{j}\] and \[\mathbf{b}=2\mathbf{i}+\lambda \mathbf{j}\] are parallel, then \[\lambda \] is [RPET 1996]

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