Question

For the values of x = (-4)/9, y = 5/(-12) and z = 7/18, verify the following: (x + y)-1 = x-1 + y-1

Answer 1

Answer:

hope it is helpful

make me as brineliest

Answer 2

Answer:

(x + y)-1 = x-1 + y-1

(-4/9 + 5/-12)-1 = -4/9-1+5/-12 -1

(-16/36 -15/36)-1 = -4/9 -9/9 -5/12 -12/12

(-31/36) -1 = -13/9 -17/12

-31/36 -36/36 = -52/36 -51/36

-67/36 = -103/36

hence (x + y)-1 ≠ x-1 + y-1