If x + y + z = 13, x2 + y2 + z2 = 133 and x3 + y3 + z3 = 847, then the – McqOptions

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1.	If x + y + z = 13, x2 + y2 + z2 = 133 and x3 + y3 + z3 = 847, then the value of \(\sqrt[3]{{xyz}}\) is:
A.	-9
B.	-6
C.	7
D.	8
Answer» C. 7

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