Question

if x/y=(-1/3)^-3÷(2/3)^-4 find the value of (x/y+y/x)^-1 please don't write any irrelevant answer here​

Answer 1

Answer:

28 4/9

Step-by-step explanation:

(x/y+y/x)^-1

= ((-1/3)^-3/(2/3)^-4) / ((2/3)^-4 / (-1/3)^-3)^1

-27/(5 1/16) / (5 1/16)/-27

-5 1/3/ -3/16

28 4/9