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If m and n are natural numbers, than roo...

If m and n are natural numbers, than `root(m)(n)` is

A

always irrational

B

irrational unless n is the mth power of an integer

C

irrational unless m is the nth power of an integer

D

irrational unless m and n are coprime

Text Solution

Verified by Experts

The correct Answer is:
B
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