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The equation of the directrice of the el...

The equation of the directrice of the ellipse `16x ^(2) + 25 y ^(2)= 400` are

A

`2x = pm 25 `

B

`5x = pm 9`

C

`3x = pm 10`

D

`3x = pm 25`

Text Solution

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The correct Answer is:
D
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