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प्रश्न
State, with reason, of the following is surd or not :
`root(3)(64)`
उत्तर
`root(3)(64) = root(3)( 2 xx 2 xx 2 xx 2 xx 2 xx 2) = 4` which is rational.
∴ `root(3)(64)` is not a surds.
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