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2 votes
Evaluate fourth root of 9 multiplied by square root of 9 over the fourth root of 9 to the power of 5.

2 Answers

2 votes
it would be 0.33333333333
User Do
by
7.6k points
5 votes
remember
\sqrt[n]{x^m} =x^ (m)/(n) and

(x^m)(x^n)=x^(m+n) and

(x^m)/(x^n)=x^(m-n) and

(x^m)^n=x^(mn)

so


( \sqrt[4]{9})( \frac{ √(9) }{\sqrt[4]{9^5}})=

( \sqrt[4]{9})( \frac{ √(2){3^2} }{9^(5)/(4)})=

( \sqrt[4]{9})( 3^(2)/(2) }{9\sqrt[4]{9}})=

(3)/(9)=

(1)/(3)
User Kaskelotti
by
7.0k points