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1. Find the determinant of each of the matrices below using (1) row operations-transforming each matrix to an upper-triangula

PLEASE, ANSWER ALL SUBPARTS AND ALL THE EXERCISES!! DO NOT DO JUST ONE. ALSO, SHOW COMPLETE STEPS. THANK YOU!

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Answer #1

Page No Date O + A = 2 3 to 1(6-4)-1 (3-2) + 1 (2-2) - 2-131 (6) 2. 3 A 2 2 3 Al= 16-9-210)+31 6-1) 169 = 9 c) O 0 o LA - i 1Page No. Date 2 AL=1 Hallata T A IAI LA - ui 커 2 I A12 ta A (14151 A129 LA b LA = 9, Alloy Atoll Haule 9 9 toglo C ull 141 toPage No. Date A is non invertible (14) Tsut #Bt - 14|1B) of Alco Hence long will also be not invertible nu det (A) = 1A = proPage No. Thul AB=BA Date how Pag-Altst BAL= 13 14 143 = Bal @ e) sue projection Matrix on a column spuce has the following pr

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