Find an LU factorization of the matrix A.A = 
A. A = 
B. A = 
C. A = 
D. A = 
Answer: B
Mathematics
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Represent the system of linear equations in the form AX = B and solve by finding A-1 and using X = A-1B. y + z = 7,3x - z = 5, 2x + y + 3z = 4
What will be an ideal response?
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(U) = 88, n(A) = 29, n(B) = 31, n(C) = 42, n(A ? B) = 6, n(A ? C) = 6, 
and 
Find 
A. 19 B. 3 C. 2 D. 22
Mathematics
Find an equation of an ellipse satisfying the given conditions.Vertices: (-7, -2) and (11, -2); endpoints of minor axis: (2, -6) and (2, 2)
A. 
+ 
= 0
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics