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If A and B are symmetric matrices of sam...

If A and B are symmetric matrices of same order then `AB + BA` is a :

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ACCURATE PUBLICATION-MATRICES-QUESTIONS CARRYING 1 MARK (Type-II : (Fill in the blanks questions))
  1. If A is square matrix such that A^(2)=A, then (I+A)^(3)-7A is equal to...

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  2. The matrix A=({:(0,1),(-1,0):}) is ……

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  3. If A and B are symmetric matrices of same order then AB + BA is a :

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  4. If A is a matrix of order 3xx4 and B is a matrix of order 4xx3, then t...

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  5. If order of matrix A is 3 xx 3 and order of matrix B is 3 xx 5, then o...

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  6. If A=[{:(cos alpha, -sin alpha),(sin alpha,cos alpha):}] then A+A'=I, ...

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  7. Choose the correct option in the question : If A = {:((3,2,1)):} the...

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

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  9. If A and B are two skew symmetric matrices of same order, then AB is s...

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  10. If A and B are matrices of same order, then (3A-2 B) is equal to ……

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  11. Addition of matrices is defined if order of the matrices is ……

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  12. …….. Matrix is both symmetric and skew symmetric matrix .

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  13. Sum of two skew symmetric matrices is always ……… matrix .

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  14. The negative of a matrix is obtained by multiplying it by …….

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  15. The product of any matrix by the scalar ……. Is the null matrix .

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  16. A matrix which is not a square matrix is called a …. Matrix .

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  17. Matrix multiplication is ……… over addition .

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  18. If A is a symmetric matrix , then A^(3) is a …… matrix .

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  19. If A is a skew symmetric matrix, then A^(2) is a ……

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  20. If A and B are square matrices of the same order, then (i) (AB)= ……....

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