EL ENG 16A Midterm: ee16A-fa2015-mt1-Niknejad_Sahai-soln
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Exam location: 10 evans, last name starting with a-b or r-t. Print and sign your name: (last) ( rst) (signature) Print your discussion section and gsi (the one you attend): Name of the person in front of you: Describe how it makes you feel. (2 pts) Do not turn this page until the proctor tells you to do so. You can work on section 0 above before time starts. Unless told otherwise, you must show work to get credit. There will be very little partial credit given in this section. You get one drop: do 3 out of the following 4 questions. (we will grade all 4 and keep the best. Students who get all 4 questions correct will receive some bonus points (6 points): solve it. 2 (cid:21) (cid:20)x1 which yields the solution: invert it. What is the inverse of the matrix(cid:20) 1. Solutions: we can nd the inverse by row reducing the augmented system.
