( 3 ) For each of the following find the elementary row operation that transforms the first matrix into the second , and write down the corresponding...

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( 3 ) For each of the following find the elementary row operation that transforms the firstmatrix into the second , and write down the corresponding elementary matrix - call itE . Then , find the elementary row operation that transforms the second matrix intothe first , and write down the corresponding elementary matrix - call it By . In eachcase . what is Ez !2 - 3 42 - 7( 2 ) 10 2 - 60 - 1 31 5 90 5 9( 6 )10 9 2 2 1 1 - 33 2( ) ( 1 2 0 )