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If x + y + z = 13, x^2+y^2+z^2=133 and x...

If x + y + z = 13, `x^2+y^2+z^2=133` and `x^3+y^3+z^3=847`, then the value of `root(3)(xyz)` is :

A

`-9`

B

`-6`

C

7

D

8

Text Solution

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The correct Answer is:
B
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