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For the ellipse shown below, find the distance between the foci.

 May 12, 2019
 #1
avatar+133 
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The formula to find the distance from the center to the foci is c^2= a^2-b^2. So once when find this distance we can double it to find the total distance between the foci. The variable a is 6 and b is 2. Therefore c^2= 36-4 which is c= the square root of 32. But to get the final answer you must double the square root of 32. Which is the square root of 64 also known a

\(8\)

 May 12, 2019
edited by Havingfun  May 12, 2019
 #2
avatar+10806 
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For the ellipse shown below, find the distance between the foci.

laugh

 May 12, 2019

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