The distance between the directrices of a rectangular hyperbola is 10 units, then distance between its foci is [MP PET 2002]

The distance between the directrices of a rectangular hyperbola is 10

1.	The distance between the directrices of a rectangular hyperbola is 10 units, then distance between its foci is [MP PET 2002]
A.	\[10\sqrt{2}\]
B.	5
C.	\[5\sqrt{2}\]
D.	20
Answer» E.

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The distance between the directrices of a rectangular hyperbola is 10 units, then distance between its foci is [MP PET 2002]

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