Name:Tuesday section time:Student ID:Math 20F - Linear Algebra - Winter 2003Quiz #2 — January 21(Do not discuss quiz with students who haven’t taken it yet – until 8:00pm.)1. LetA=±123-10-1¶.(a) What isAT?ANSWER:AT=1-1203-1(b) ComputeAAT.ANSWER:AAT=±14-4-42¶(c) DoesAhave an inverse? Explain why or why not. (Watch out forthis being a ‘trick’ question!)ANSWER: No,Ais not invertible, sinceAis not square.
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This homework help was uploaded on 01/23/2008 for the course MATH 20F taught by Professor Buss during the Winter '03 term at UCSD.