Express A in the form A=L1DU1 where L1 is the lower triangular with 1’s along the main diagonal, U1 is the upper triangular, and D is a diagonal matrix, given A=[(2 1 - 1) (-2 - 1 2) (2 1 0)]​

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?