Let x , y , z be real numbers such that x y z 9 , x 2 y 2 z 2 3 0 , xy yz zx 2 1 Find the numerical value of xyz

Question

Let x , y , z be real numbers such that x   y   z   9 , x   2   y   2   z   2   3 0 , xy   yz   zx   2 1   Find the numerical value of xyz

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Let x , y , z be real numbers such that x + y + z = 9 , x ^ 2 + y ^