Find all minors of the matrix.
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?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = ex4 + y8 + z9
A. F = x4ex4 + y8 + z9i + y8ex4 + y8 + z9j + z9ex4 + y8 + z9k B. F = x3ex4 + y8 + z9i + y7ex4 + y8 + z9j + z8ex4 + y8 + z9k C. F = 4x3ex4i + 8y7ey8j + 9z8e z9k D. F = 4x3ex4 + y8 + z9i + 8y7ex4 + y8 + z9j + 9z8ex4 + y8 + z9k
Mathematics
Graph the equation using the slope and y-intercept.-2x + y - 2 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve by factoring.x2 - x - 42 = 0
A. {-7, 6} B. {6, 7} C. {-6, 7} D. {-6, -7}
Mathematics
Find the reciprocal.
A. 
B. 
C. 
D. 
Mathematics