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The equation of the directrices of the h...

The equation of the directrices of the hyperbola `9x^(2) -16y^(2) -18x-64y =199` arc-

A

`5x=5 pm 16`

B

`4x=4 pm 25`

C

`4x=25 pm 4`

D

`5x=16 pm5`

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A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 7
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