alex-lewis_60b7c36cc1ea5
alex-lewis_60b7c36cc1ea5
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A.A-¹ = I2 [1 -1] [a b] [1 0] [3 1] [c d] = [0 1] [ a-c b-d] [1 0] [3a+c 3b+d] =[0 1] 3a + c = 0 a - c = 1 --------------- 2a = -1 a = -1/2 logo a - c = 1 c = 1 + 1/2 c = 3/2 3b+d = 1 b - d = 0 ---------…