What is the use of group theory in mathematics and how its applied on real life.Please give me a example......

Answer 1

The symmetry group S(8) was an early attempt to organize the nuclear particles, and with a nod to Buddhism it was called "the eightfold path." It later developed into quark theory.

Answer 2

Like if you know that other people are going through the same thing you are then your problems dont seem so bad.

oh wait, i thought you said group therapy. my bad...