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OpenStudy (anonymous):
Consider the following matrix. A = 8 -1 -6 2 7 -3 8 4 1 Let B = adj(A). Find b31, b32, and b33. (i.e., find the entries in the third row of the adjoint of A.)
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OpenStudy (anonymous):
i think you would use cofactor expansion but i dont know how, i missed that lecture :(
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