Question

Verify that (x - y)-1

≠ x-1

– y

-1

by taking x = - 1/2, y = 2/3​

Answer 1

(x-y)-1 ≠ x-1 -y - 1

(-1/2 - 2/3) ≠ -1/2 - 1 - 2/3 - 1

-7/6 ≠ -19