9x^{2} + 4y^{2} = 1
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$\displaystyle \frac{x^2}{\left(\frac{1}{3}\right)^2} + \frac{y^2}{\left(\frac{1}{2}\right)^2} = 1$ now you know $\displaystyle a$ and $\displaystyle b$ ... can you finish? also ... DO NOT double post. Thank you.
Last edited by skeeter; Nov 27th 2012 at 03:17 PM.
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