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Which of the following conditions necess...

Which of the following conditions necessarily imply that the real number x is rational, I `x^2` is rational II `x^3`and `x^5`are rational III `x^2`and `x^3` are rational

Text Solution

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x is rational
`x^2=-1`
`x=sqrt-1=i`
`x^3->R`
`x^5=x^3*x^2=R'`
`x^2=R'`
Option C is correct.
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