If \[\frac{{{x}^{2}}}{a}+\frac{{{y}^{2}}}{b}+\frac{2xy}{h}=0\] represent pair of straight lines and slope of one line is twice the other. Then \[ab:{{h}^{2}}\] is [DCE 2005]

If \[\frac{{{x}^{2}}}{a}+\frac{{{y}^{2}}}{b}+\frac{2xy}{h}=0\] represe

1.	If \[\frac{{{x}^{2}}}{a}+\frac{{{y}^{2}}}{b}+\frac{2xy}{h}=0\] represent pair of straight lines and slope of one line is twice the other. Then \[ab:{{h}^{2}}\] is [DCE 2005]
A.	9 : 8
B.	8 : 9
C.	1 : 2
D.	2 : 1
Answer» B. 8 : 9

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If \[\frac{{{x}^{2}}}{a}+\frac{{{y}^{2}}}{b}+\frac{2xy}{h}=0\] represent pair of straight lines and slope of one line is twice the other. Then \[ab:{{h}^{2}}\] is [DCE 2005]

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