Simplify `((15^(1/3))/(9^(1/4)))^(-6)`

Simplify. (i) ((15^(1//3))/(9^(1//4)))^(-6) (ii) ((12^(1//5))/(27^(1//5)))^(5//2) (iii) ((15^(1//4))/(3^(1//2)))^(-2)

Simplify: (3^(-1)+6^(-1))-:(3/4)^(-1)

Simplify: (9^(1/3)xx27^(-1/2))/(3^(1/6)xx3^(-2/3))

Simplify: (3^(-6))^((1)/(3))

Simplify: 1 4/9+3/7

Simplify (i) (3^(4))^((1)/(2)) (ii) (64)^((1)/(6)) (iii) ((1)/(3^(4)))^((1)/(2))

Simplify: ((13)/(9)x(-15)/(2))+((7)/(3)x(8)/(5))+((3)/(5)x(1)/(2))

Simplify 1(1)/(2)-:(4)/(9)-:13(1)/(2)