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두 초점 $\mathrm{F}(0,c)$ 이고 $\mathrm{F'}(0,-c)$ 으로부터 거리의 합이 $2b$인 타원의 방정식을 구하여라.(Find the equation of the ellipse where the sum of the distances from $\mathrm {F}(0,-c)$ and $\mathrm{F'}(0,-c)$ is $2b$.) https://min7014.github.io/math20200423001.html
https://min7014.github.io/math20200423001.html
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https://min7014.github.io/math20200423001.html
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두 초점 $\mathrm{F}(0,c)$ 이고 $\mathrm{F'}(0,-c)$ 으로부터 거리의 합이 $2b$인 타원의 방정식을 구하여라.(Find the equation of the ellipse where the sum of the distances from $\mathrm {F}(0,-c)$ and $\mathrm{F'}(0,-c)$ is $2b$.) https://min7014.github.io/math20200423001.html
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