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OpenStudy (anonymous):
Does anyone know how to do these? Or maybe know an easier way to solve constant sums for ellipses? Find the constant sum for an ellipse with foci F1 (0, -8) and F2 (0, 8) and the point on the ellipse (0, 10). The constant sum is: ____. Enter only a number.
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jimthompson5910 (jim_thompson5910):
|dw:1399678462002:dw|
jimthompson5910 (jim_thompson5910):
Let x be the distance from F1 to P Let y be the distance from F2 to P |dw:1399678521305:dw|
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