If x + y + z = 2, xy + yz + xz = -11, and xyz = -12, then what is the value of
?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 ie 6.
x + y + z = 2
xy + yz + xz = -11
xyz = -12
x = 4, y = -3, z = 1
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= √36 = 6
SSC CGL Tier II Quant - 12/09/2019 • Quantitative Aptitude • Q9
If x + y + z = 2, xy + yz + xz = -11, and xyz = -12, then what is the value of
?
Correct answer: A
Explanation
The correct answer is option 1 ie 6.
x + y + z = 2
xy + yz + xz = -11
xyz = -12
x = 4, y = -3, z = 1
![]()
![]()
= √36 = 6