If \( x, y, z \) are distinct positive real numbers, then the value of \( \frac{x^{2}(y+z)+y^{2}...

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If \( x, y, z \) are distinct positive real numbers, then the value of \( \frac{x^{2}(y+z)+y^{2}(x+z)+z^{2}(x+y)}{x y z} \) is
a. Greater then 4
b. Greater then 5
c. Greater then 6
d. None of the above
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