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If A = diag. [3,-5,7]^* and B - diag. [-...

If A = diag. `[3,-5,7]^*` and B - diag. [-1,2,4], then find (2A + 3B).

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MODERN PUBLICATION-MATRICES-EXERCISE
  1. If A = {:[(4,2,7),(2,1,7)] and B = [(2,1,5),(3,4,6)] find 2A-B.

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  2. If A = {:[(8,0),(4,-2),(3,-6)] and B = [(2,-2),(4,2),(-5,1)], then fin...

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  3. If A = diag. [3,-5,7]^* and B - diag. [-1,2,4], then find (2A + 3B).

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  4. If A = [(2,7),(9,8)] and B = [(1,2),(0,3)], then find: (A-B).

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  5. If A = [(2,3),(-1,4)], find 2A

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  6. If A = [(2,3),(-1,4)], find -3A

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  7. Find 'x' and 'y' if 2{:[(x,5),(3,y)] = [(4,10),(6,6)]

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  8. If A = {:[(4,2,3),(1,5,7)] and B = [(1,3,7),(0,4,1)], find 2A + B.

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  9. If A = {:[(2,-1),(4,2)] and B = [(2,3),(1,2)], find 2A + 3B.

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  10. If A = {:[(1,2,3),(2,3,1)] and B = [(3,-1,3),(-1,0,2)], then find 2A +...

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  11. Find the value of (y-x) from the following equation : 2{:[(x,5),(7,y...

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  12. Find the value of (x+y) from the following equation: 2{:[(1,3),(0,x)...

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  13. If A = {:[(2//3, 1 , 5//3),(1//3, 2//3, 4//3),(7//3, 2, 2//3)] and B =...

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  14. Find matrices X and Y if : X+Y= [[5,2],[0,9]] and X-Y=[[3,6],[0,-1]].

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  15. Find the matrix 'X' and 'Y' if: 2X + 3Y = {:[(2,3),(4,0)] and 3X - 2Y ...

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  16. Find X , if Y = [[3,2],[1,4]]and 2X + Y = [[1,0],[-3,2]]

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  17. If x [[2],[3]]+y[[-1],[1]]=[[10],[5]], then find the value of x and y.

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  18. Find the value of (x+y) from the following equation: 2{:[(1,3),(0,x)...

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  19. Find the values of x and y from the following equation: 2[[x,5],[7,y-3...

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  20. Find the values of x,y,z and t, if: {:2[(x,z),(y,t)] + 3 [(1,-1),(0,...

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