Question

Which of the following is not true. Addition of multiplication is commutative

Answer 1

• Answer:
• rightIdentity of addition of whole number is zero.Identity of multiplication of whole number is one.

Answer 2

Step-by-step explanation:

Given, A=A B=B Now (A(BA))=(BA)A=(AB)A=(AB)A =A(BA) Similarly (AB)A)=(AB)A So, A(BA) and (AB)A are symmetric matrices. Again (AB)=BA Now if BA=AB, then AB is symmetric matrix. Statement-1 is true, Statement-2 is true;