SOLUTION: Thanks for your help ^4 sqrt 81

Question 124320: Thanks for your help

^4 sqrt 81
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

Rewrite the radical expression using exponent notation

Factor into

Rewrite the expression using the identity

Convert the expression back to radical notation

Take the square root of 81 to get 9

Take the square root of 9 to get 3

So

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