When x+ y+ z = 9 and xy +yz + zx = 11, then x3 - y3 - z3 - 3xyz equals – McqOptions

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1.	When x+ y+ z = 9 and xy +yz + zx = 11, then x3 - y3 - z3 - 3xyz equals
A.	48
B.	432
C.	192
D.	384
Answer» C. 192

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