Question

[(1)^-1 + (2)^-1]^-2 x 9/4

Answer 1

Answer:

1 is your answer

Step-by-step explanation:

mark me as brainliest

plz thanks

Answer 2

Answer:

[(1)^-1 + (2)^-1]^-2 x 9/4

= [1 + 1/2]^-2 x 9/4

= [3/2]^-2 x 9/4

= [2/3]^2 x 9/4

= 4/9 x 9/4

= 1