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Let $F_1 = (0,1)$ and $F_ 2= (4,1).$ Then the set of points $P$ such that \[PF_1 + PF_2 = 6\]form an ellipse. The equation of this ellipse can be written as \[\frac{(x - h)^2}{a^2} + \frac{(y - k)^2}{b^2} = 1.\]Find $h + k + a + b.$

 Oct 4, 2020
 #1
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h + k + a + b = 13/10.

 Oct 5, 2020
 #2
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that is wrong 

Guest Oct 5, 2020

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