Question

{(4/3)^-1 -(1/4)^-1}^-2

Answer 1

Answer:

16/169

Step-by-step explanation:

[{3/4}^1-{4/1}^1]^-2

[3/4-16/4]^-2

[-13/4]^-2

(-4/13)^2

=16/169

Answer 2

Answer:

(4/3)^-1 = 3/4

(1/4)^-1 = 4/1

(4/3)^-1 -(1/4)^-1 = 3/4 - 4/1 = -13/4

{(4/3)^-1 -(1/4)^-1}^-2 = [-13/4]^-2 = -16/169