Question

The answer is not B?

Please Help!!!

Answer 1

`\left[\begin{array}{cc}a_(1)&a_(2)\\a_(3)&a_(4)\end{array}\right] * \left[\begin{array}{cc}b_(1)&b_(2)\\b_(3)&b_(4)\end{array}\right] = \left[\begin{array}{cc}(a_(1) * b_(1) + a_(2)* b_(3))&(a_(1) * b_(2) + a_(2) * b_(4))\\(a_(3) * b_(1) + a_(4) * b_(3))&(a_(3) * b_(2) + a_(4) * b_(4))\end{array}\right]`

Plugging in the values from the two matrices will give us the answer A

Answer 2

Answer: The correct option is A

Explanation:

The transpose of a matrix is the matrix formed by interchanging the rows with the columns. It means that the transpose of matrix A would be

5 3

2 - 1

By multiplying, we would multiply the terms in each row by the corresponding terms in the columns and add.

The product of matrix A and its transpose would be

5 2 × 5 3

3 - 1 2 - 1

It becomes

25 + 4 15 + (- 2)

15 - 2 9 + 1

The final answer is

29 13

13 10