The gradient of one of the lines \[{{x}^{2}}+hxy+2{{y}^{2}}=0\] is twice that of the other, then h = [MP PET 1996]

The gradient of one of the lines \[{{x}^{2}}+hxy+2{{y}^{2}}=0\] is t

1.	The gradient of one of the lines \[{{x}^{2}}+hxy+2{{y}^{2}}=0\] is twice that of the other, then h = [MP PET 1996]
A.	\[\pm \,3\]
B.	\[\pm \,\frac{3}{2}\]
C.	\[\pm \,2\]
D.	\[\pm \,1\]
Answer» B. \[\pm \,\frac{3}{2}\]

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The gradient of one of the lines \[{{x}^{2}}+hxy+2{{y}^{2}}=0\] is twice that of the other, then h = [MP PET 1996]

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