In \( \triangle A B C \) the mid points of the sides \( A B, B C \)...

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In \( \triangle A B C \) the mid points of the sides \( A B, B C \) and
P \( C A \) are \( (l, 0,0),(0, m, 0) \) and \( (0,0, n) \) respectively.

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Then, \( \frac{A B^{2}+B C^{2}+C A^{2}}{l^{2}+m^{2}+n^{2}} \) is equal to
(1) 2
(2) 4
(3) 8
(4) 16
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