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The directrix of the hyperbola (x ^(2))/...

The directrix of the hyperbola `(x ^(2))/(9) - (y ^(2))/(4) =1` is

A

`y = 9sqrt13`

B

`x = (9)/(sqrt13)`

C

`x= 6sqrt13`

D

`y = (6)/(sqrt13)`

Text Solution

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The correct Answer is:
A
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