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58

Step-by-step Answer
PAGE: 227SET: ExercisesPROBLEM: 58
Please look in your text book for this problem Statement

Observe the determinant matrices:

Determinant of matrix formula: .

Therefore, .

The determinant of the matrix is .

James is correct.

Since, Amber takes product of the varibles and instead of subtraction he added the results of products.

James is correct.



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