Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.5x + 2y + z =-112x - 3y - z=177x - y=12
A. (-2, 0, -1)
B. (1, -5, 0)
C. (0, -6, 1)
D. no solution
Answer: D
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = ex/y
A. 
= 
; 
= 
; 
= 
= 
B. 
= 
; 
= ex/y
;; 
= 
= -ex/y
C. 
= 
; 
= ex/y
; 
= 
= -ex/y
D. 
= 
; 
= -ex/y
;; 
= 
= ex/y
Mathematics
Find the prime factorization of the given composite number.162
A. 2 ? 2 ? 3 ? 3 ? 3 ? 3 B. 2 ? 3 ? 3 ? 3 ? 5 C. 2 ? 3 ? 3 ? 3 ? 3 D. 2 ? 3 ? 3 ? 3
Mathematics
Solve the inequality.
? x + 1 or 
- 1 > 
A. (-?, -2) ? (42, ?) B. [42, ?) C. (-?, 4] ? [42, ?) D. (-?, -2] ? [42, ?)
Mathematics
Use the simplex method to solve this problem.Maximize 
subject to
What will be an ideal response?
Mathematics