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Help 25,26

 May 15, 2018
 #1
avatar+101872 
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25.

 

x^2    +    y^2         

___        ___      =        1

49           25

 

 

 

 

 

26.

 

The distance between  the focal points  is  given by :

 

2 * √ [ 10^2  - 8^2 ]  =

 

2 * √ [ 100  - 64 ]  =

 

2 * √36  =

 

2 * 6  = 

 

12 ft

 

 

cool cool cool

 May 15, 2018

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