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If (x+y+z)=6 and (xy+yz+zx)=11, then the...

If `(x+y+z)=6 and (xy+yz+zx)=11`, then the value of `(x^(3)+y^(3)+z^(3)-3xyz)` is :

A

81

B

54

C

18

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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If x+y+z=19, xyz=216 and xy+yz+zx=114, then the value of sqrt(x^3 + y^3 + z^3 + xyz) is:

If x + y + z = 19 , xyz = 216 and xy + yz + zx = 114, then the value of sqrt(x^3+y^3+z^3+ xyz) is : यदि x + y + z = 19 , xyz = 216 और xy + yz + zx = 114 है, तो sqrt(x^3+y^3+z^3+ xyz) का मान क्या होगा ?