1.

The length of the transverse axis in a hyperbola is equal to _________

A. the sum of the distance between points on a curve to foci
B. the product of the distance between points on a curve to the foci
C. the difference of the distance between points on a curve to the foci
D. the ratio of the distance between points on a curve to the foci
Answer» D. the ratio of the distance between points on a curve to the foci


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