Find the LU factorization of -3 A = -15 -6 such that the main diagonal of \left[ -4 3 -21 16 -10 10 A = LU = 100 5 10 2 21 \right]$ has all ones and use it to solve the system -3 -4 3 x1 -15 -21 16 18- X2 -6 -10 10 X3 00 100 000 000 4-8 -19 -97 -38

Q: 2. Page 922 #4 a. Solve by hand using Gaussian elimination with matrices. Show all the matrix…

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