If the straight lines \[2x+3y-1=0,\text{ }x+2y-1=0,~\text{ }x+2y-1=0,\text{ }and\text{ }ax+by-1=0\] form a triangle with the origin as orthocenter, then (a, b) is given by

If the straight lines \[2x+3y-1=0,\text{ }x+2y-1=0,~\text{ }x+2y-1=0,

1.	If the straight lines \[2x+3y-1=0,\text{ }x+2y-1=0,~\text{ }x+2y-1=0,\text{ }and\text{ }ax+by-1=0\] form a triangle with the origin as orthocenter, then (a, b) is given by
A.	(6, 4)
B.	(-3, 3)
C.	(-8, 8)
D.	(0, 7)
Answer» D. (0, 7)

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If the straight lines \[2x+3y-1=0,\text{ }x+2y-1=0,~\text{ }x+2y-1=0,\text{ }and\text{ }ax+by-1=0\] form a triangle with the origin as orthocenter, then (a, b) is given by

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