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Help 4 1. [10 points] Let A and B be two 2 x 2 matrices where det A = -3 and B = CO N

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4 1. [10 points] Let A and B be two 2 x 2 matrices where det A = -3 and B = CO N Compute det ( ((det A2) B) -1).NOT invertible. 2. [10 points] Let A = OOOH OOLo WNOO WOO Find all real values of x for which the 4x4 matrix Bx = A - xI is

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