15 6 1 38. Las 13 . Let there exist...
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15 6 1 38. Las 13 . Let there exist a matrix B such 38. 35 49 13. What is B equal to ? that AB = 29 13

Defence Exams
Maths
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Solutróo Let ( A=left[begin{array}{lll}5 & 6 & 1 2 & 1 & 5end{array}right] quadleft{B=left[begin{array}{ll}0 1end{array}right]right. ) ( A B=left[begin{array}{cc}35 & 49 29 & 13end{array}right] ) ( Delta B=A+B ) ( left[begin{array}{cc}35 & 49 29 & 13end{array}right]_{2}^{2}=left[begin{array}{ccc}5 & 6 & 1 2 & -1 & 5end{array}right]_{2}^{1}+B ) ( left[begin{array}{ll}35 & 49 29 & 13end{array}right]-left[begin{array}{ccc}5 & 6 & 1 2 & -1 & 5end{array}right]=B ) ( B=left[begin{array}{ccc}30 & 43 & -1 27 & 14 & -5end{array}right] ) ( r )
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