BINARY OPERATIONS, COMMUTATIVITY, ASSOCIATIVITY,

Introduction to Modern / Abstract Algebra

[oscarobioha]

The Beauty of Abstract Algebra/ Group theory. U know this is a man that has done pure mathematics. Good work

[mondemushenywa]

Thank you so much. I was so blank till I watched this video

[gladysasafoadjei]

Pls why did you multiply the product to operation (a*b)*c.

[bolatitoalawode]

1. A binary operation * is defined on the set R of real numbers by m * n = m + n + 2, where m, n, belong to R.
(a) Determine whether or not the operation * is commutative.
(b) Find the identity element of R under *.
(c) Find the inverse of n under the operation *
(d) Evaluate (3 * -2) * (2 * -4)