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[" 24.The foci of the ellipse "25x^(2)+4...

[" 24.The foci of the ellipse "25x^(2)+4y^(2)+100x-4y+100=0" are "],[[" 1) "((5+-sqrt(21))/(10),-2)," 2) "(-2,(5+-sqrt(21))/(10))," 3) "((2+-sqrt(21))/(10),-2," 4) "(-2,(2+-sqrt(21))/(10)]]

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