Write an equation for an ellipse centered at the origin, which has foci at (0,\pm\sqrt{14})(0,± 14 ​ )left parenthesis, 0, comma, plus minus, square root of, 14, end square root, right parenthesis and co-vertices at (\pm\sqrt{2},0)(± 2 ​ ,0)left parenthesis, plus minus, square root of, 2, end square root, comma, 0, right parenthesis.

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

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