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if X^2/a+y^2/b+(2xy)/h=0 represent pair ...

if `X^2/a+y^2/b+(2xy)/h=0` represent pair of straight lies and slope one line is twice the other line then `ab:h^2`.

A

` 9 : 8 `

B

` 8 : 9 `

C

` 1 : 2 `

D

` 2 : 1 `

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A
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