x2 + y2 + z2 = 14 and xy + yz + zx = 11, then the value of (x + y + z)2 is

x2 + y2 + z2 = 14 and xy + yz + zx = 11, then the value of (x + y + z)

1.	x² + y² + z² = 14 and xy + yz + zx = 11, then the value of (x + y + z)² is
A.	16
B.	25
C.	36
D.	49
Answer» D. 49

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x2 + y2 + z2 = 14 and xy + yz + zx = 11, then the value of (x + y + z)2 is

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x² + y² + z² = 14 and xy + yz + zx = 11, then the value of (x + y + z)² is