The straight lines joining the origin to the points of intersection of the line \[2x+y=1\] and curve \[3{{x}^{2}}+4xy-4x+1=0\] include an angle [MP PET 1993]

The straight lines joining the origin to the points of intersection of

1.	The straight lines joining the origin to the points of intersection of the line \[2x+y=1\] and curve \[3{{x}^{2}}+4xy-4x+1=0\] include an angle [MP PET 1993]
A.	p/2
B.	p/3
C.	p/4
D.	p/6
Answer» B. p/3

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The straight lines joining the origin to the points of intersection of the line \[2x+y=1\] and curve \[3{{x}^{2}}+4xy-4x+1=0\] include an angle [MP PET 1993]

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