Find the value of ((9^3+9^4+9^5+9^6+9^7)/(9^1+9^2+9^3+9^4+9^5))^1/2

Find the value of $(\frac{9^3+9^4+9^5+9^6+9^7}{9^1+9^2+9^3+9^4+9^5})^{\frac{1}{2}}$