Verify the general statement: ×-b = 1 over ×b for × = 3 and b = -5 (1)/(xb)

Question

Verify the general statement: ×-b = 1 over ×b for × = 3 and b = -5

`(1)/(xb)`

Answer 1

-1/3*5 =-1/15 the answer to the question