Find the determinant of the matrix by the method of expansion by cofactors. Expand using the column 2.
?
?
A. -75
B. 75
C. -73
D. -74
E. -76
Answer: A
Mathematics
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Add.
A. 93 B. 82 C. 92 D. 91
Mathematics
Simplify the expression using the order of operations.3 - (-2 + 7 ? 7 - 1)
A. -45 B. -43 C. 49 D. -47
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Mathematics
Compute the derivative.If f(x) and g(x) are differentiable functions such that f(2) = 8, f'(2) = 2, g(2) = -1, g'(2) = -5, compute the following derivative:
A. - 38
B. 38
C. 
D. - 42
Mathematics