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If A is of order 3 × 4 and B is of order...

If A is of order `3 × 4` and B is of order `4 × 2`,then order of AB is __________

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JMD PUBLICATION-MATRICES-EXERCISE
  1. If A is a (x + 2) × (y - 3) matrix and B is a 2 × 5 matrix AB is a 3 ×...

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  2. If [[4,3],[x,5]] = [[y,3],[1,5]] ,then x^2 + y^2 =

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  3. If A is of order 3 × 4 and B is of order 4 × 2,then order of AB is

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  4. If A is of order 3 × 2 and B is of order 3 × 4,then order of (AB)' is

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  5. If A = [[0,a,3],[2,b+2,-1],[-3,1,0]] is skew symmetric, then 2a + b =

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  6. If A,B are symmetric matrices of the same order,then AB - BA is

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  7. Matrices A and B will be inverse of each other if

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  8. If A = [1,2,3] and B = [[2],[4],[6]],then AB is

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  9. State True/False: If A is a symmetric matrix ,then A' = -A

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  10. State True/False: Every rectangular matrix can be expressed as sum of ...

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  11. State True/False: If A is of order 2 × 3 and B is of order 3 × 4,then ...

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  12. If (A =[[2,3],[4,5]]), prove that A-A' is a skew symmetric matrix wher...

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  13. IF(A=[[3,-4],[-1,2]]), find a matrix B such thet (AB = 1)

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  14. Construct a (2 times 2) matrix where (a(ij)=(i+(2)j)^(2)/(4))

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  15. If (A=[[3,-2],[4,-2]]), find K such that (A^2=KA - 2I2).

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  16. Find x and y, if (2[[1,3],[0,x]]+[[y,0],[1,2]]=[[5,6],[1,8]])

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  17. Show that the matrix BAB) is symmetric or skew symmetric according as ...

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  18. For the matrix (A=[[-3,6,0],[4,-5,8],[0,-7,-2]]), find (1/2(A-A')), wh...

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  19. Construct a (2 times 2) matrix where (a(ij)=(3i-j)/2).

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  20. If A=[[i,0],[0,-i]] and B=[[0,i],[i,0]], show that AB !=BA.

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