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If x + y + z = 2, xy + yz + zx = -11 and xyz = -12, then what is the v

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| If x + y + z = 2, xy + yz + zx = -11 and xyz = -12, then what is the value of  ?

A. 9

B. 12

C. 8

D. 6

Right Answer is: D

SOLUTION

 and

Putting the values in eqn.  we get-

Putting the values in eqn.  we get –

Required –

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    1. If x + y + z = 2, xy + yz + zx = -11 and xyz = -12, then what is the v

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