Sejam as matrizes: A=[ 1 2 ​ −2 −1 ​ ]e B=[ −1 −2 ​ 2 1 ​ ]Assinale a alternativa que representa a soma (A+B) e a subtração (A−B) das matrizes enunciadas. A) A+B=[ 2 4 ​ −4 −2 ​ ]e A−B=[ 0 4 ​ −4 0 ​ ] B) A+B=[ 0 0 ​ 0 0 ​ ]e A−B=[ −2 4 ​ −4 2 ​ ] C) A+B=[ 0 0 ​ 0 0 ​ ]e A−B=[ 2 4 ​ −4 −2 ​ ] D) A+B=[ 2 4 ​ −4 −2 ​ ]e A−B=[ 0 0 ​ 0 0 ​ ] E) A+B=[ 0 2 ​ 2 0 ​ ]e A−B=[ 2 4 ​ −4 −2 ​ ]