(14641) the whole raised to 0.25 can you explain me this with ahelp of video

We have to calculate the value of (14641)^0.25
 

now, 0.25 = 25 / 100 = 1 / 4

so, (14641)^0.25 = (14641)^1/4 

 = (11 × 11 × 11 × 11)^1/4

 = [(11)⁴]^1/4

 = (11)^4/4  [ as, (a^m)ⁿ  = a^mn ]

 = 11

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