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On using row operation R(1)rArrR(1)-3R(2...

On using row operation `R_(1)rArrR_(1)-3R_(2)` in the following matrix equation `[{:(4,2),(3,3):}]=[{:(1,2),(0,3):}][{:(2,0),(1,1):}]` we have

A

`[{:(-5,-7),(3,3):}]=[{:(1,-7),(0,3):}][{:(2,0),(1,1):}]`

B

`[{:(-5,-7),(3,3):}]=[{:(1,2),(0,3):}][{:(-1,-3),(1,1):}]`

C

`[{:(-1,-7),(3,3):}]=[{:(1,2),(1,-7):}][{:(2,0),(1,1):}]`

D

`[{:(4,2),(-5,-7):}]=[{:(1,2),(-3,-3):}]=[{:(1,2),(-3,-3):}][{:(2,0),(1,1):}]`

Text Solution

AI Generated Solution

To solve the problem, we need to perform the row operation \( R_1 \rightarrow R_1 - 3R_2 \) on the left-hand side (LHS) of the matrix equation. The original matrix equation is: \[ \begin{pmatrix} 4 & 2 \\ 3 & 3 \end{pmatrix} = ...
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NCERT EXEMPLAR ENGLISH-MATRICES-Solved example
  1. For any two matrices A and B , we have

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  2. On usign elementry column operation C(2)rArrC(2)-2C(1) in the followin...

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  3. On using row operation R(1)rArrR(1)-3R(2) in the following matrix equa...

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  4. ......... Matrix is both symmetric and skew-symmetric matrix.

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  5. Sum of two skew-symmetric matrices is always ......... Matrix.

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  6. The negative of a matrix is obtained b y multiplying it by ...........

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  7. The product of any matrix by the scalar ......... Is the null matrix.

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  8. A matrix which is not a square matrix is called a..........matrix.

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  9. Matrix multiplication is distributive over matrix addition

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  10. If A is a symmetric matrix , then A^(3) is a ........ Matrix.

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

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

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  13. If A is a skew-symmetric, then kA is a...........(where, k is any scal...

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  14. If A and B are symmetric matrices, then (i) AB-BA is a .......... ...

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  15. If A is symmetric matrix, then B'AB is............

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  16. If A and B are symmetric matrices of same order, then AB is symmetric ...

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  17. In applying one or more row operations while finding A^(-1) by elemen...

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  18. A matrix denotes a number

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  19. Matrices of any order can be added.

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

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