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| 1. |
Let A=R×R and ∗ be a binary operation on A defined by (a,b)∗(c,d)=(a+c,b+d). Show that ∗ on A. Also, find the inverse of every element (a,b)∈A. |
| Answer» Let A=R×R and ∗ be a binary operation on A defined by (a,b)∗(c,d)=(a+c,b+d). Show that ∗ on A. Also, find the inverse of every element (a,b)∈A. | |