Let `RR` be the set of real numbers. Show that the operation `**` defined on `RR-{0]` by `a**b=|ab|
Channel: Doubtnut
Date: 2020-05-09

Let `RR` be the set of real numbers. Show that the operation `**` defined on `RR-{0]` by `a**b=|ab|,a,binRR-{0}` is a binary operation on `RR-{0}.`