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# Ellipses help. Thank you :D

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The figure below shows the ellipse $$\frac{(x-20)^2}{20}+\frac{(y-16)^2}{16}=2016$$.

Let $$R_1,R_2,R_3,$$ and $$R_4$$ denote those areas within the ellipse that are in the first, second, third, and fourth quadrants, respectively. Determine the value of $$R_1-R_2+R_3-R_4$$.

Thank you so much for your time.

Jan 30, 2020

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Ellipses help

Jan 30, 2020
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Thank you so so much for all your help. I appreciate it.

Jan 30, 2020