Answer:
1. The determinant is 8.
2. The determinant does not depend on the variables in the matrix.
3. When there are zeroes below the main diagonal, the determinant is the product of the diagonal.
Step-by-step explanation:
"Analyzing Determinants" on Edge2020
(If this is what i think it is)
Answer: =1845
Step-by-step explanation: hope this help
Answer:
Step-by-step explanation:
area = ½×base×height
21 = ½(x+1)x
42 = (x+1)x
x² + x - 42 = 0
(x+7)(x-6) = 0
x = -7, 6
-7 is an extraneous solution, so x = 6
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24568 I hope this will help you
