The sum of the focal distances of any point on the ellipse \( 9 x^{2}+16 y^{2}=144 \) is (A) 32 ...

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The sum of the focal distances of any point on the ellipse \( 9 x^{2}+16 y^{2}=144 \) is
(A) 32
(B) 18
(C) 16
(D) 8
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