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If x=sqrt(3),y=sqrt(27) and z=sqrt(243),...

If `x=sqrt(3),y=sqrt(27)` and `z=sqrt(243)`, then which of the following is/are rational numbers?

A

xy

B

xz

C

yz

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • If (3+2sqrt(3))/(3-sqrt(3))=a+sqrt(3)b , then the value of sqrt(a+b) , where a and b are rational numbers, is

    A
    `5`
    B
    `8`
    C
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    D
    `16`

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