Algebra Archive: Questions from August 04, 2023
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Start with \( P_{0}=(0,0,0) \) and use Gauss-Seidel iteration to find \( P_{k} \) for \( \mathrm{k}=1,2,3 \). Change the order of equations (if necessary) to make coefficient matrix strictly diagonall2 answers -
Differentiate. \[ y=\left(x^{2}-2 x+4\right) e^{x} \] A. \( \left(\frac{x^{3}}{3}+2 x+4\right) e^{x} \) B. \( \left(x^{2}+4 x+2\right) e^{x} \) C. \( \left(x^{2}+2\right) e^{x} \) D. \( (2 x-2) e^{x}2 answers -
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2. For the matrices \[ A=\left[\begin{array}{ccc} 5 & -1 & -2 \\ 0 & 3 & 2 \end{array}\right], B=\left[\begin{array}{cc} 2 & -3 \\ 4 & 1 \\ 0 & 3 \end{array}\right] \] find (a) \( 2 A^{T}-3 B \), if p2 answers -
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X+42=6 2x + 3y + 2 = - 12 4x -y +22= 13
\( \begin{array}{l}x+4 z=6 \\ 2 x+3 y+z=-12 \\ 4 x-y+2 z=13\end{array} \)0 answers