Question

how to solve this problem ​

Answer 1

Step-by-step explanation:

This is a determinant problem. The technique is:

|a b|

|c d|

= ad - bc

Hope this helps :)

Answer 2

Answer:

1) 15 (2) 1 (3) 7 (4) -3 (5) 8

Step-by-step explanation:

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