Question

please give the explanation​

Answer 1

Step-by-step explanation:

→{5/7}^-3={7/5}^3

(here your explanation for answer

when we resiprocal the no. then the sin of power be changed)

here I take one more example

let the no. be (7/8)^3

when this no. get resiprocal the power must be changed (8/7)^-3

when the power in positive then it become negetive

when the power in negetive then it become positive