Find the determinant of the nxn matrix A with 5's on the diagonal, l's above the diagonal, and O's below the diagonal. det (A) =
1 answer:
Answer:
n times 5
Step-by-step explanation:
A matrix Anxn of this way is called an upper triangular matrix. It can be proved that the determinant of this kind of matrix is
In this case, it would be 5+5+...+5 (n times) = n times 5
We are going to develop each determinant by the first column taking as pivot points the elements of the diagonal
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50-8=42(half of his score)
42*2=84(whole score)
s=84
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for question 2
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If you mean 3.4444.. then the answer is 3 4/9 as a mixed number and 31/9 as an improper fraction
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Be glad to help, but I need the expression, please.