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If (x^(2))/(a) + (y^(2))/(b) + (2xy)/(h...

If ` (x^(2))/(a) + (y^(2))/(b) + (2xy)/(h) =0` represent pair of straight lines and slope of one line is twice the other, then ` ab : h^(2) ` is :

A

` 9 : 8 `

B

` 8 : 9 `

C

` 1 : 2 `

D

` 2 : 1 `

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The correct Answer is:
A
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