Question

let the determinant of 3×3 matrix A be 6,there B is a matrix defined by B=5A^2 .Then ,determinant of B is ?​

Answer 1

Step-by-step explanation:

Hola !

|A|=6

B=5A²

|B|=|5A²|

|B|=5|A|²

|B|=5|6|²

|B|=5×36

|B|=180.

Thank you !

Answer 2

Answer:

Step-by-step explanation:

Answer in the attachment.

Hope it may help you .