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The lower triangular matrix of matrix [(...

The lower triangular matrix of matrix `[(3,-1,2),(4,-1,2),(5,2,1)]` is

A

`[(3,0,0),(4,-1,0),(5,2,1)]`

B

`[(3,0,0),(4,1,0),(5,2,1)]`

C

`[(3,0,0),(4,0,0),(5,2,0)]`

D

None of these

Text Solution

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The correct Answer is:
A
The lower triangular matrix of the given matrix is
`[(3,0,0),(4,-1,0),(5,2,1)]`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MATRICES-MHT CET CORNER
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  11. The inverse matrix of A=[(0,1,2),(1,2,3),(3,1,1)] is

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  19. If A=[(-2,4),(-1,2)] then A^(2) is equal to

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