How do you differentiate y equals x minus a over x?

Answer 1

If you mean:

y = x - a/x

Then:

y = x - ax-1

y' = 1 + ax-2

y' = 1 + a/x2

If you mean:

y = (x - a)/x

Then:

y = 1 - ax-1

y' = ax-2

y' = a/x2