Saved Bookmarks
| 1. |
Let S be the set of all rational numbers except 1 and * be defined on S by a * b = a + b - ab, for all a, b ∈ S.Prove that:(i) * is a binary operation on S(ii) * is commutative as well as associative. [CBSE 2014] |
|
Answer» Let S be the set of all rational numbers except 1 and * be defined on S by a * b = a + b ab, for all a, b S. |
|