Question

plss answer to this step by step I am begging you don't answer waste​

Answer 1

Answer:

Add and substract the given matrix equations and you'd get A and B. Then Find each of the matrix trace and plug in in   $Tr(A)-Tr(B)$ .

Answer 2

Answer:

so tr(b)=-1

now tr (a) -(b)=1+1=2

so the answer is 2

♡