If \[\mathbf{a}=(1,\,\,-1)\] and \[\mathbf{b}=(-\,2,\,m)\] are two collinear vectors, then m= [MP PET 1998]

If \[\mathbf{a}=(1,\,\,-1)\] and \[\mathbf{b}=(-\,2,\,m)\] are two col

1.	If \[\mathbf{a}=(1,\,\,-1)\] and \[\mathbf{b}=(-\,2,\,m)\] are two collinear vectors, then m= [MP PET 1998]
A.	4
B.	3
C.	2
D.	0
Answer» D. 0

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If \[\mathbf{a}=(1,\,\,-1)\] and \[\mathbf{b}=(-\,2,\,m)\] are two collinear vectors, then m= [MP PET 1998]

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