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If x = root(3)(sqrt9 + 1) - root(3)(sqrt...

If `x = root(3)(sqrt9 + 1) - root(3)(sqrt9-1)`, the value of `x^(3) + 6x =`

A

0

B

1

C

2

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • root(3)(8 (sqrt3 -1)^(3))=

    A
    `sqrt3-1`
    B
    `8 (sqrt3 -1)`
    C
    `3 (sqrt3 -1)`
    D
    `2 (sqrt3 -1)`

  • If x(2+sqrt3)=y(2-sqrt3)=1 , then the value of 1/(x+1)+1/(y+1) is :

    A
    1
    B
    `sqrt3`
    C
    `2sqrt3`
    D
    2

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