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Question
If $$\frac{{x - {a^2}}}{{b + c}}$$   + $$\frac{{x - {b^2}}}{{c + a}}$$   + $$\frac{{x - {c^2}}}{{a + b}}$$   = 4(a + b + c), then x = ?
Options:
A .  (a + b + c)2
B .  a2 + b2 + c2
C .  ab + bc + ca
D .  a2 + b2 + c2 - ab - bc - ca
Answer: Option A

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