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Two matrices are equal. If they have sam...

Two matrices are equal. If they have same number of rows and same number columns.

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**Solution:** To determine whether the statement "Two matrices are equal if they have the same number of rows and the same number of columns" is true or false, we need to analyze the conditions for matrix equality. 1. **Definition of Matrix Equality**: Two matrices \( A \) and \( B \) are considered equal if and only if: - They have the same dimensions (same number of rows and same number of columns). - Corresponding elements in both matrices are equal. ...
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NCERT EXEMPLAR ENGLISH-MATRICES-Solved example
  1. A matrix denotes a number

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  2. Matrices of any order can be added.

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  3. Two matrices are equal. If they have same number of rows and same numb...

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  4. Matrices of different order cannot be subtracted.

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  5. Matrix addition is associative as well as commutative.

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  6. Matrix m ultiplication is commutative.

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  7. A square m atrix where every element is unity is called an identity ma...

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  8. If A and B are two square matrices of the same order, then A+B=B+A.

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  9. If A and B are two m atrices of the same order, then A-B=B-A.

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  10. If A dn B be 3xx3 matrices the AB=0 implies (A) A=0 or B=0 (B) A=0 and...

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  11. Transpose of a column matrix is a column matrix.

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  12. If A and B are square matrices of the same order such that A B=B A , t...

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  13. If each of the three matrices of the same order are symmetric, then th...

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  14. If A and B are any two matrices of the same order, then (AB)=A'B'

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  15. If (AB)=BA, where A and B are not square matrices, then number of rows...

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  16. Let A; B; C be square matrices of the same order n. If A is a non sing...

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  17. A A' is always a symmetric matrix for any matrix A.

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  18. If A=[{:(2,3,-1),(1,4,2):}] and B=[{:(2,3),(4,5),(2,1):}] then AB and ...

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

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  20. If A; B are invertible matrices of the same order; then show that (AB)...

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