Question

For
any
two Square matrices of Sameorder,
Is it true that (A+B)^2 = A²+ 2 A + B^2. Justify
your answer.​

Answer 1

Answer:

It isn't true

Step-by-step explanation:

(A+B)^2 =(A+B)(A+B)

=A(A+B) + B(A+B)

=A^2+AB+AB +B^2

=A^2 +2AB+B^2