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    maramfaith24's Avatar
    maramfaith24 Posts: 41, Reputation: 1
    Junior Member
    		  
    #1

    Jan 29, 2011, 10:57 AM
    Did I do this Hyperbola question right?
    The book asked me to find the constant differences for a hyperboka with the given foci and point on the hyperbola.

    With:

    f(1): (-13,0)
    f(2): (13,0)
    P: (5,0)


    The answer I got was 15, is that right?


    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
    		  
    #2

    Jan 29, 2011, 11:20 AM

    I am sorry, but I do not know what you mean by a 'constant difference'. But, the equation of the hyperbola would be:



    Does that help? I do not know where your 15 comes from.

    Can you please elaborate?
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