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The order of column matrix containing n ...

The order of column matrix containing n rows is _____.

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The correct Answer is:
`n xx 1
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PEARSON IIT JEE FOUNDATION-MATRICES-EXERCISE (VERY SHORT ANSWER TYPE QUESTIONS)
  1. If aj=0(i!=j)anda(i j)=4(i=j),,then the matrix A =[a(i j)](n xx n) ...

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  2. If A = [{:(-1, 0, 0),(0, x, 0),(0, 0, m):}] is a scalar matrix, then x...

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  3. The order of column matrix containing n rows is .

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  4. If P = [{:(3, 0), (0, lambda):}] is scalar matrix then lambda = .

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  5. If [{:(4, -3), (2, 16):}] = [{:(4, -3), (2, 2'):}] then t =.

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  6. If A = ({:(2, 3),(6, 9):}) , then find |A|.

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  7. The product of two matrices, i.e., AB = I, then B is called the of A a...

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  8. If (A + B^(T))^(T) is a matrix of order 4 xx 3, then the order of matr...

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  9. If [{:(x, 0), (0, y):}] + [{:(-y, 4),(7, x):}] = [{:(4, 4), (7, 6):}] ...

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  10. Is A =[{:(4, 6), (2, 3):}] singular?

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  11. If A is any square matrix, then (1)/(2) (A-A^(T)) is a matrix.

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  12. If the determinant of a square matrix is non-zero, then the matrix is ...

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  13. (AB)^(-1) =.

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  14. The inverse of matrix A, if A^(2) = 1, is .

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  15. The additive inverse of [{:(-1, 3, 4), (5, -7, 8):}] is .

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  16. If A xx [{:(1, 2, 3),(4, 5, 6):}] = [{:(1, 2, 3), (3, 2, 1), (3, 1, 2)...

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  17. If the order of matrices A, B and C are 3 xx 4, 7 xx 3 " and " 4 xx 7 ...

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  18. Express the equations 2x-y + 6 =0 and 6x + y + 8 = 0, in the matrix eq...

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  19. If A=[{:(a, b), (c, d):}] " then " A^(-1) = .

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  20. If [{:(2, -4), (9, d-3):}]=4, then d=.

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