Question

( A M geqslant G M )
( frac{y_{3}+3 x+x y}{3} geqslantleft(x^{2} y^{2} z^{2}right)^{1 / 3} )
( 4 quad geqslant(x y z)^{2 / 3} )
( 2 quad geqslant 1left(x y_{3}right)^{1 / 3} )
( (x y z) leqslant s )
option ( (A) )

# D D 174. If yz + zx + xy = 12, where x, y and z are positive numbers, then the greatest value of xyz is (A) 8 (B) 12 (C) 16 (D) 64 175 fr o m than the maximum unlue of 2 in

Solution