#1504 · Algebra · Linear equations

Product identity for cofactors

With the same notation as in part (1), prove that
$(b c - f^{2}) (c a - g^{2}) (ab - h^{2}) = (f g - c h) (g h - a f) (h f - b g) .$

~20 minProof · checked by AIdeterminantscofactor identity

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. I. Ratio, Examples I, No. 28 (part 2)

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