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If the distance between the foci and the...

If the distance between the foci and the distance between the directrices of the hyperbola `(x^(2))/(a^(2)) -(y^(2))/(b^(2)) =1` are in the ratio `3 : 2` then `a : b` is

A

`sqrt2: 1`

B

`1 : 2`

C

`sqrt3 : sqrt2`

D

`2 :1`

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The correct Answer is:
A
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