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Find AB, if A = [[1,2,3],[1,-2,-3]] and ...

Find `AB`, if `A` = `[[1,2,3],[1,-2,-3]]` and `B` = `[[1,-1],[1,2],[1,-2]]` Examine whether `AB` has inverse or not.

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CHETANA PUBLICATION-Matrices-EXERCISE
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  2. Find the matrix B such that [[4,3],[3,2]] B = [[2,5],[1,3]]

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  3. Find AB, if A = [[1,2,3],[1,-2,-3]] and B = [[1,-1],[1,2],[1,-2]] Exam...

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  4. If A = [[2,4],[1,1]] thus show that: A^2-3A-2I = 0.

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  5. If A = [[5,2],[-1,6] and B = [[0,1],[0,1]] then find the matrices X an...

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  6. If A = [[3,1,],[4,0]], B = [[4,0],[2,5]] then verify that (AB)^-1 = B^...

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  7. If A = [[3,1],[-1,2]] then show that: A^2-5A+7I = 0 .

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  8. The sum of the costs of one book each of Mathematics, Physics and Chem...

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  9. Express the following equation in matrix form and solve them by the me...

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  10. Express the following equation in matrix form and solve them by the me...

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  11. Express the following equation in matrix form and solve them by the me...

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  12. Express the following equation in matrix form and solve them by the me...

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  13. Express the following equation in matrix form and solve them by the me...

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  14. By using inverse of a matrix, solve the following equations: 2x+5y = ...

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  15. By using inverse of a matrix, solve the following equations: x+2y-2z =...

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  16. Find the inverse of the matrix: [[1,2,3],[2,4,5],[3,5,6]]. Hence solve...

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  17. Nina and Meena want to buy pens and books. Nina wants 2 pens and 5 boo...

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  18. If three numbers are added the sum is 15. If the second number is subt...

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  19. In an election, a party hired a firm to promote its candidate in three...

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