Invertible element (definition and examples)

Definition with examples

Power Definition and Examples

Symmetric matrix: definition and examples

skew symmetric matrix: definition and examples

Quadratic inequation: Definition and examples

Types of Subsets (definition with examples)

Value of a polynomial (Definition and Examples)

What is isomerism? Give a precise definition and explain with examples.

What is reflex action? State definition with example of congenital and habitual reflex action.

A binary operation @ is defined on the set A={0,1,2,3,4,5} as follows: a@b=a+b(mod6) for all a,binA. Prove that oinA is the identity element In A is invertible with operation @ and each element A is invertible with 6-ainA being the inverse of the element a.