36x2 + 49y2 = 1,764 the foci are located at: (-โ13, 0) and (โ13,0) (0, -โ13) and (0,โ13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
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