If the lines represented by the equation \[2{{x}^{2}}-3xy+{{y}^{2}}=0\] make angles \[\alpha \]and \[\beta \] with x-axis, then \[{{\cot }^{2}}\alpha +{{\cot }^{2}}\beta \]=

If the lines represented by the equation \[2{{x}^{2}}-3xy+{{y}^{2}}=0\

1.	If the lines represented by the equation \[2{{x}^{2}}-3xy+{{y}^{2}}=0\] make angles \[\alpha \]and \[\beta \] with x-axis, then \[{{\cot }^{2}}\alpha +{{\cot }^{2}}\beta \]=
A.	0
B.	3/2
C.	7/4
D.	5/4
Answer» E.

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If the lines represented by the equation \[2{{x}^{2}}-3xy+{{y}^{2}}=0\] make angles \[\alpha \]and \[\beta \] with x-axis, then \[{{\cot }^{2}}\alpha +{{\cot }^{2}}\beta \]=

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