Solve the system of linear equations using matrices.

A. (0, -4)
B. (-4, 0)
C. (4, 0)
D. (0, 4)


Answer: B

Mathematics

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Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)

A.  =  = - ;   =  =  
B.  =  =  ;   =  =  
C.  =  = - ;   =  = - 
D.  =  = - ;   =  =  

Mathematics

Find the length of the indicated portion of the curve.r(t) = (1 + 3t)i + (1 + 4t)j + (2 - 2t)k, -1 ? t ? 0

A.
B. 2
C. 5
D.

Mathematics

Sketch the curve of the vector function r(t) = 3ti + (2t + 3)j. -1 ? t ? 2, and indicate the orientation of the curve.

What will be an ideal response?

Mathematics

Perform the matrix operation.Given A =  and I =  , find AI.

A.

B.

C.

D.

Mathematics