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For the following ellipse, find the equa...

For the following ellipse, find the equation of directrix
(i) ` 9x^(2) + 4y^(2) = 36 `
(ii) ` 16x^(2) + 25y^(2) = 400` .

Text Solution

Verified by Experts

The correct Answer is:
`y = pm (9)/(sqrt(5))`
(ii) ` x = pm (25)/(3) ` .
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