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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

(a) `9:8`

B

(b) `8:9`

C

(c) `1:2`

D

(d) `2:1`

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