# Find:i. 811/2ii. 641/6iii. (125)1/3

i. 811/2

Since, 81 = 92

Using (an)m = amn

= 9

Thus = 9

ii. 641/6

Since, 64 = 26

Using (an)m = amn

= 2

Thus = 2

iii. (125)1/3

Since, 125 = 53

Using (an)m = amn

= 5

Thus = 5

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