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Common tagent (s) to y=x^(3)and x=y^(3) ...

Common tagent (s) to `y=x^(3)and x=y^(3)` is/are

A

`x-y=1/sqrt3`

B

`x-y=-1/sqrt3`

C

`x-y=(2)/(3sqrt3)`

D

`x-y=(-2)/(3sqrt3)`

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The correct Answer is:
C, D
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