A `3xx3` matrix A, with 1st row elements as 2,-1,-1 respectively, is modified as below to get another matrix B. `R_1` elements of A go to `R_3` of matrix C `R_2` elements of A go to `R_1` of matrix C `R_2` elements of A to `R_1` of matrix C `R_3` elements of A go to `R_2` fo matrix C Now, below operations are done on C as follow, `C_1` elements of C go to `C_3` of B `C_2` elements of C go to `C_1` of B `C_3` elements of C go to `C_2` of B It is found that A = B, thenA. A is symmetric matrixB. A is an upper triangular matrixC. A is singular matrixD. none of these

A `3xx3` matrix A, with 1st row elements as 2,-1,-1 respectively, is m

1.	A `3xx3` matrix A, with 1st row elements as 2,-1,-1 respectively, is modified as below to get another matrix B. `R_1` elements of A go to `R_3` of matrix C `R_2` elements of A go to `R_1` of matrix C `R_2` elements of A to `R_1` of matrix C `R_3` elements of A go to `R_2` fo matrix C Now, below operations are done on C as follow, `C_1` elements of C go to `C_3` of B `C_2` elements of C go to `C_1` of B `C_3` elements of C go to `C_2` of B It is found that A = B, thenA. A is symmetric matrixB. A is an upper triangular matrixC. A is singular matrixD. none of these
Answer» Correct Answer - C

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