Suppose det A = 3, det B = -2/3, det C = ½ a) find det(A2B-1C) b) find det(A-1B2C-1)-1 Thankyou in advance for any assistance provided
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Originally Posted by speckmagoo Suppose det A = 3, det B = -2/3, det C = ½ a) find det(A2B-1C) b) find det(A-1B2C-1)-1 Thankyou in advance for any assistance provided I take it that you mean and .... Have you tried using the idea that ? Then and ...
Thankyou very much for your assistance Isomorphism Yes you are correct in your interpretation of the question. In regards to your suggestion, how would i go about in calculating det A^-1, det A^2, det B^-1, det B^2 and det C^-1
det(AB)=det(A)det(B) det(A^-1)=1/det(A)
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