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Given the matrix A=[(x,3,2),(1,y,4),(2,2...

Given the matrix `A=[(x,3,2),(1,y,4),(2,2z)].` If `xyz=60 and 8x+4y+3z=20,` then `A(adjA)` is equal to (a) `[(6,4,0,0),(0,6,4,0),(0,0,6,4)]` (b) `[(8,8,0,0),(0,8,8,0),(0,0,8,8)]` (c) `[(6,8,0,0),(0,6,8,0),(0,0,6,8)]` (d) `[(3,4,0,0),(0,3,4,0),(0,0,3,4)]`

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If A=[(2, 0,-3),( 4, 3, 1),(-5, 7, 2)] is expressed as the sum of a symmetric and skew-symmetric matrix, then the symmetric matrix is (a) [(2, 2,-4 ),(2, 3, 4),(-4, 4, 2)] (b) [(2, 4,-5),( 0, 3, 7),(-3, 1, 2)] (c) [(4, 4,-8),( 4, 6, 8),(-8, 8, 4)] (d) [(1, 0 ,0 ),(0 ,1 ,0),( 0, 0, 1)]

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Plot the following pairs of points on the axes and join them with line segment (1,0), (0,9), (2,0), (0,8), (3,0), (0,7), (4,0), (0,6) (5,0), (0,5) (6,0), (0,4) (7,0) (0,3), (8,0), (0,2), (9,0), (0,1)

Plot the following pairs of points on the axes and join them with line segment (1,0), (0,9), (2,0), (0,8), (3,0), (0,7), (4,0), (0,6) (5,0), (0,5) (6,0), (0,4) (7,0) (0,3), (8,0), (0,2), (9,0), (0,1)

Plot the following pairs of points on the axes and join them with line segment (1,0), (0,9), (2,0), (0,8), (3,0), (0,7), (4,0), (0,6) (5,0), (0,5) (6,0), (0,4) (7,0) (0,3), (8,0), (0,2), (9,0), (0,1)