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x2/169+y2/25=1

 Dec 2, 2021
 #1
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This can be written as \(\frac{x^2}{13^2}+\frac{y^2}{5^2}=1\), so the semi-major axis is 13, the semi-minor axis is 5, and its centred on (0, 0).

 

Can you take it from here?

 Dec 2, 2021

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