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