Question

x-1/x=2 1/2 find x^3-1/x^3 pls fast

Answer 1

2 1/2 means i can't understand

but in l.h.s,try cubing on both sides

and use (a-b)³=a³-b³-3a²b+3ab²

so then I think u will get the answer definitely

Answer 2

Answer:

hope it helps you good luck