﻿ The distance between the directrices of a rectangular hyperbola is 10 units, then distance between its foci is : Kaysons Education

# The Distance Between The Directrices Of A Rectangular Hyperbola Is 10 Units, Then Distance Between Its Foci Is

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## Question

### Solution

Correct option is

20

x2 – y2 = a2 is a equation of rectangular hyperbola andb2 = a2

So       2ae = 10(2) = 20

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