Question

HELP (s^2-t^-2)/(s-t^-1)

Answer 1

Expand the following:
(s^2 - t^(-2))/(s - 1/t)

(s^2 - t^(-2))/(s - 1/t) = s^2/(s - 1/t) - (1)/((s - 1/t) t^2):

Answer: s^2/(s - 1/t) - 1/(t^2 (s - 1/t))