Question

(1) If a and b are the elements of a group (G,*) show that
${a \times b}^{ - 1}$
=
$b ^{ - 1} \times a ^{ - 1}$

(2) Prove that every cyclic group is abelian​

Answer 1

Answer:

A force is a push or pull upon an object resulting from the object's interaction with another object.

Step-by-step explanation: