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Area of the quadrilateral with its vertices at foci of the conics 9x2−16y2−18x+32y−23=0 and 25x2+9y2−50x−18y+33=0 is |
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Answer» Area of the quadrilateral with its vertices at foci of the conics 9x2−16y2−18x+32y−23=0 and 25x2+9y2−50x−18y+33=0 is |
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