Question

⬆Plzzz Answer this Question.⬆


Don't Spam

Answer 1

$\underline{\underline{\huge\mathfrak{your\:answer}}}$

First of allwe will find the product of matrix A×A i. e ${A}^{2}$

After that we will find the value of matrix 3A

Also, I is identity matrix

so we will also find the value of 2I

Now,

All the matrix formed after simplification are of 3×3 order

So, the addition and subtraction will be simpleas we do for simple no.

The whole process is in the attachments.

please refer to it

Answer 2

$\bold{Refer\:to\:the\:attachment}$