On the hyperbola x2 / 16-y2 / 9 = 1, a point P makes it twice as far from the left focus as it is from the right focus

Let P (x, y)
a2=16,b2=9,c2=25,e=5/4
PF1=2PF2
ex+a=2(ex-a)
ex=3a
x=48/25
y=

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